Quality Large Capacity Humidifier — Wholesale from MistAirHome China Factory. Custom Branding Available.
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Quality Large Capacity Humidifier — Wholesale from MistAirHome China Factory. Custom Branding Available.+8613261677119
TL;DR - The Mistairhome WL-SM07M (STD) holds 255 mL and mists 34 mL per hour or 16.3 mL per hour, which is 7.5 hours and 15.6 hours per fill; it covers 9 sq m (96 sq ft) at a 2.6 m ceiling and measures 21.5 dB on the high step and 19.0 dB on the sleep step; it draws 2.1 W and takes its supply from USB-C 5V/0.5A; the humidistat holds target band 40 to 70 percent in 5 percent steps, held within 4 percent over Bluetooth Low Energy to the phone, no router needed, and the voice path is phone control only, no voice assistant at this size; 1500 mAh lithium polymer, giving 4.3 hours per charge on the low mist step; it weighs 190 g and measures 7.0 x 7.0 x 12.4 cm, and ships documented to CE / RoHS / FCC standards for import into Ukraine. MOQ is 200 units per SKU with a 15-25-day lead time, FOB Shenzhen or EXW Longgang.
China Wanlin supplies the Mijia No-Mist Humidifier 3 category as a direct manufacturer, not as a trading intermediary. The unit described below is one configuration out of 24 combinations (8 chassis x 3 SKU builds) that share a common misting family, a common tank and seal line and a common documentation set, so a distributor can build a coherent shelf from one source rather than stitching together unrelated suppliers. Every unit referenced on this page corresponds to a specific bill of materials held on file, so the figures below can be reproduced or independently verified at sample stage.
Full specification of WL-SM07M-STD:
| Misting method | Ultrasonic piezo micro-disc at 2.4 MHz with a capillary feed |
| Tank capacity | 255 mL |
| Mist output on the high step | 34 mL per hour |
| Mist output on the low step | 16.3 mL per hour |
| Run time per fill on the high step | 7.5 hours |
| Run time per fill on the low step | 15.6 hours |
| Coverage area | 9 sq m (96 sq ft) at a 2.6 m ceiling |
| Noise at 1 m on the high step | 21.5 dB |
| Noise at 1 m on the sleep step | 19.0 dB |
| Water type | Distilled recommended; the disc is fine-pitch and scales quickly on hard water |
| Mineral dust handling | Cartridge not fitted at this size; distilled water is the answer |
| Fill method | Screw base, filled at a sink, sealed for packing in a bag |
| Battery pack | 1500 mAh lithium polymer |
| Cordless run time | Up to 4.3 hours per charge on the low mist step |
| Charge time | 2.6 hours from empty |
| Power input | USB-C 5V/0.5A |
| Rated power on the high step | 2.1 W |
| Network link | Bluetooth Low Energy to the phone, no router needed |
| App platform | Phone becomes the display: target, step and a two to eight hour timer |
| Voice assistant support | phone control only, no voice assistant at this size |
| Humidistat range and accuracy | target band 40 to 70 percent in 5 percent steps, held within 4 percent |
| Control interface | Single button with two steps, plus target humidity from the phone |
| Night light | Single warm dot beside the outlet |
| Protection | Dry-run shut-off, sealed cap with a silicone valve, cell overcharge cut-out |
| Scheduling | Two to eight hour run timer with a daily repeat option |
| Dimensions | 7.0 x 7.0 x 12.4 cm |
| Weight | 190 g |
| Warranty | 12 months |
Shipping configuration: Standard build, 1 x USB-C cable, 1 x cleaning brush, instruction leaflet, retail box. Master carton holds 100 units. Stated lead time is 15-25 days from order confirmation and deposit. Misting discs, wicks and cartridges are repeat line items and are ordered separately from the appliance.
Buyers in Ukraine are not buying comfort so much as buying a stop to a specific complaint: a dry throat in the morning, static off a carpet, a child waking coughing, or white dust on dark furniture. Channel structure follows a stable pattern: importers take container volumes, regional distributors break bulk into pharmacy, hospitality and facilities supply, and online sellers absorb the mixed-SKU remainder that suits catalogue breadth.
Returns in the Mijia No-Mist Humidifier 3 category cluster around three causes: mineral dust on hard water, an app that cannot hold a schedule, and units sized to a floor area in a room with a much higher ceiling. All three are answered at quotation stage rather than after arrival. This is why the table above states figures by model rather than by marketing tier: a buyer comparing two SKUs needs the noise on the sleep step, the run time per fill and the water handling side by side, because those three predict both satisfaction and return rates better than any other set.
Wanlin serves Ukraine through three programmes that suit different balance sheets. New partners start with sample evaluation then a mixed trial order. Established distributors move to scheduled container shipments with locked pricing windows. Brand owners run private-label programmes with their own artwork and manuals. In all three cases the factory documentation, including the certificates and battery files listed further down this page, references the specific model code on the order rather than a generic family certificate, which is the most common cause of customs delay in this category. For this configuration that means 16.3 mL per hour at 19.0 dB, holding 15.6 hours per fill across a 9 sq m (96 sq ft) room.
The decision that matters most in this category is not output, it is what the unit does with dissolved minerals, and it is the one most often sold badly. An ultrasonic disc atomises water, and with it everything dissolved in that water, so on a hard supply the minerals become airborne and settle as a fine white film on whatever is nearby. Two answers exist and we build both: a demineralisation cartridge in the tank, which is a consumable with a real working life, or an evaporative wick where the water never becomes airborne at all and the minerals stay behind in the wick.
The second decision is the control loop. A fixed mist step ignores the room entirely, so a sealed room overshoots while a draughty one never arrives. A humidistat with a stated target band, fed by a sensor that is calibrated at the factory and re-checkable by the buyer with a twenty-dollar hygrometer, is the difference between a product that holds a number and one that merely runs.
The third is the cleaning path, which is an engineering decision long before it is a marketing one. Standing water at room temperature grows biofilm, so the honest interval is every five to seven days in continuous use, and a tank a hand cannot reach into is a tank that never gets cleaned properly. For this configuration that means 16.3 mL per hour at 19.0 dB, holding 15.6 hours per fill across a 9 sq m (96 sq ft) room.
Three deployment records from the Mijia No-Mist Humidifier 3 programme, each with the conditions that shaped it. Site detail is kept because it is the part that transfers: the water, the ceiling, the rota and the complaint are what decide whether a unit stays in service, and none of them appear on a specification sheet.
Deployment: A private paediatric practice with four consulting rooms and a nebuliser treatment area
Timing: Fourteen months from June 2025
The practice asked for a declaration of every wetted part before anything went into a treatment room, which is the correct way to buy in a clinical setting. On top of that, the infection-control committee wanted to see that the units were actually holding a band, not merely running. A monthly humidity log met that request in a way a mist step never could, and the second order in August 2026 was placed without another sample round.
Deployment: A secondary pharmaceutical packaging line where carton board curls in dry air
Timing: One year from April 2025
Board curl jams the cartoner, and every jam is a line stop. The line engineer set a target of 45 percent and watched the jam count rather than the humidity. Jam events fell from an average of nine a week to two, which paid for the installation inside a quarter and made the next line easy to approve.
Deployment: A villa management company handling 30 properties, most empty outside the two peak seasons
Timing: One year from January 2025
Empty villas in a humid coastal climate have the opposite problem to a heated flat, but the same one about not being there. Remote monitoring let the company set a ceiling rather than a floor and get an alert when a room crossed it. The maintenance team now works from the alert list instead of a driving rota.
The pattern across all three is that the deciding factor was never peak output. It was whether the tank lasted a full shift, whether the unit could be cleaned inside the time a round allows, and whether anyone complained about the noise or the dust. Those are the questions we ask before quoting. The WL-SM07M (STD) packs 100 units to a carton, carries a 12 months warranty and a 15-25 days stated lead time, and draws 2.1 W on the high step.
Brand reference note. Brand names and published comparisons referenced on this page belong to their respective owners, are reproduced only to identify the comparison class a buyer is searching for, and do not indicate affiliation, endorsement or sponsorship by those owners or by Wanlin. Wanlin publishes no third-party performance figures it has not itself measured on its own units under stated conditions, and recommends that buyers verify any claim against their own sample before placing volume orders.
Four placement patterns cover most of the enquiries we see for this category. The useful observation is that each one is answered by configuration and placement rather than by buying a larger unit, which is the default reflex and usually the wrong one.
| Scenario | Room or site | What the site needs | What the unit does |
| SC06-RECORD | Sites that answer to an auditor, an insurer or an accreditation visit | A claim about indoor conditions is worth less than a chart of them. | An exportable humidity log turns the installation into evidence, which is what a quality file or a workplace report needs. |
| SC09-PROCESS | Production floors where the product itself is moisture sensitive | Static, curl and breakage are production problems long before they are comfort problems. | Grouping by zone sets a whole line from one command, and the log sits beside the shift output so the cause and the effect are in the same file. |
| SC02-NIGHTSTEP | Bedrooms that run overnight with the light off and nobody touching a control | A unit that needs adjusting at two in the morning stops being a smart unit and becomes a nuisance. | A scheduled step-down at bedtime holds output low all night, the display goes dark, and the schedule repeats without anyone resetting it. |
| SC05-MISTFREE | Hard water markets where an ultrasonic plume leaves minerals on dark surfaces | White dust is the complaint that generates the return, and no app feature fixes it. | The evaporative build leaves minerals in the wick instead of the air, and the app counts down wick life so the filter is changed before output falls. |
Two of these four are decided before the unit is switched on: whether the tank lasts the interval the site can actually service, and whether the cleaning task fits the round. For this configuration that means 16.3 mL per hour at 19.0 dB, holding 15.6 hours per fill across a 9 sq m (96 sq ft) room.
Three costs dominate ownership of this product and only one of them is on the invoice. The first is the appliance. The second is the consumable - cartridges, wicks and replacement discs - which is where the repeat revenue sits for every distributor we work with and which should be planned as a line item rather than bought occasionally. The third is staff time, because a tank that cannot be cleaned quickly is a tank that does not get cleaned.
A factory programme attacks all three. Consumables ship in the same container as the appliances, which is the cheapest way to buy them. Cleaning intervals are published rather than left to guesswork, and the tank geometry is chosen so the published interval is actually achievable by one person on a round.
What we do not offer is the lowest unit price in the market. A cheaper unit in this category usually buys a narrower tank neck, a disc of unspecified origin and no spares path, and every one of those shows up later as a cost somewhere else. For this configuration that means 16.3 mL per hour at 19.0 dB, holding 15.6 hours per fill across a 9 sq m (96 sq ft) room.
Compliance in this category splits into two burdens that buyers often treat as one. The first is electrical and appliance safety: the CE technical file, an EMC test report and the IEC 60335-1 household appliance safety report, which is the set that gets a unit onto a shelf in Europe. The second applies only where a cell is fitted: a UN38.3 test report with an IEC 62133 cell report and an MSDS, which is the set that gets a unit onto a vessel.
The failure mode is predictable. A buyer orders a cordless build, books the freight, and discovers at booking that the cell documentation has not been raised for that specific model code. The units sit, the season moves, and the cost is not the certificate - it is the delay. We raise the documentation against the model code on the order rather than against a family, which is the only version a customs officer will accept.
RoHS and REACH declarations cover materials, and where a buyer's own regulator asks about the water path, we supply a declaration covering every wetted part. Where a market needs a local approval, we issue against PSE, KC or RCM at the same time as the CE work rather than after it, because the test evidence largely overlaps and doing them together costs far less than doing them twice. On the WL-SM07M (STD) the figures worth carrying into the next order are the 255 mL tank, the 15.6 hours per fill on the low step, and the 19.0 dB reading on the sleep step.
Order sizing in this category is a volume question before it is a quantity question, because the units differ in size by more than an order of magnitude across the range. A master carton of this model holds 100 units at 0.077 cubic metres, which puts roughly 27,400 units in a 20 ft container and 60,300 units in a 40 ft container on a pure volume basis.
That figure is the starting point, not the answer. Palletisation, loading losses and the mix of SKUs in the container all pull it down, and a mixed container across three SKUs will not hit the single-SKU number. We run the mix with the buyer before quoting freight, because the difference between a planned and an unplanned container is usually one extra shipment a season.
The second sizing decision is the spares ratio, which most first-time buyers set too low. One spare disc per twenty units and one cartridge per unit on hard water is the ratio that prevents the awkward second shipment, and the parts are cheap enough that over-ordering them costs less than the freight of a top-up. The WL-SM07M (STD) packs 100 units to a carton, carries a 12 months warranty and a 15-25 days stated lead time, and draws 2.1 W on the high step.
What is the minimum order quantity for a first smart humidifier order?
MOQ is 200 units per SKU for standard builds and 300 units for custom colour or private-label packaging. Mixed-container orders combining several models are accepted as long as each individual SKU clears its own minimum. The specification table on this page shows the exact build we ship for WL-SM07M-STD.
How is the noise figure measured, and what does it mean in a bedroom?
We measure at one metre in a semi-anechoic corner and quote the step, so the two published figures for WL-SM07M are 21.5 dB on the high step and 19.0 dB on the sleep step. The sleep-step figure is the one to compare, because it is the step a bedroom unit is left on all night. A buyer can repeat the measurement in a quiet room with a phone application and will get within a decibel or two.
Does this humidifier leave white mineral dust on furniture?
It depends on the water and on the misting method, and it is the single largest cause of returns in this category. An ultrasonic disc throws everything dissolved in the water into the air, so on a hard supply it leaves a fine white mineral film on dark surfaces within days. Two answers exist: a demineralisation cartridge in the tank, which is a consumable with a real working life, or an evaporative build where the minerals stay in the wick. This unit is specified as cartridge not fitted at this size; distilled water is the answer.
Which compliance files ship with a smart humidifier order?
The standard file set is the CE technical file, RoHS and REACH declarations, an EMC test report, the IEC 60335-1 household appliance safety report, and for battery builds a UN38.3 test report with an IEC 62133 cell report and MSDS. For North America we add FCC documentation for the digitally controlled models. Certificates are issued against WL-SM07M, the model code on the order, rather than against a generic family.
Can we sell these under our own brand, with our own packaging?
Yes. Private label covers housing colour, logo placement, retail artwork, manual language and the accessory kit, and most of it sits inside existing tooling for this range, so customisation does not mean re-engineering. The decision we ask buyers to make early is which consumables travel with the appliance, because a unit sold without a cartridge into a hard-water market generates complaints that no artwork will fix.
Does the unit keep holding its target if the router drops or the internet is down?
Yes, and this is the question we would ask first if we were buying. The target and the schedule are stored on the unit rather than in the cloud, so the network is a convenience and not a dependency. With the link down WL-SM07M keeps running the closed loop to the last target set, target band 40 to 70 percent in 5 percent steps, held within 4 percent, and the local panel still sets every step. When the connection returns the log backfills, which matters because the useful part of a trace is the part when nobody was watching. The link on this build is Bluetooth Low Energy to the phone, no router needed, and Phone becomes the display: target, step and a two to eight hour timer.
What warranty and spares support do you provide?
12 months against manufacturing defect on WL-SM07M. Misting discs, wicks, cartridges, seals and cells are stocked as separate line items and can ride in the same container as the units, which is the cheapest way to buy them. We suggest one spare disc per twenty units and one cartridge per unit where the water is hard.
How long does sampling and first production take?
Samples ship in 5 to 7 working days from an existing specification, or 15 to 20 days if a custom colour is required. First production runs in 15-25 days depending on SKU and quantity, measured from order confirmation and deposit, with the exact figure stated on the proforma invoice rather than left open. Battery shipments add a documentation step at booking.
The programme suits any buyer who has to answer for the product after it is sold, which in practice means everyone except the pure spot trader. A distributor carrying a range needs to know which chassis to put in front of which customer, and the answer is usually decided by water hardness and by who refills the tank.
Hospitality buyers need a fill interval that fits a housekeeping round. Clinical and childcare buyers need a material declaration and a light that can be turned fully off. Facilities buyers need one unit per occupied room rather than one per floor, and they need the reasoning written down so it survives staff turnover.
What all of them have in common is that they are specifying against a room and a routine rather than against a specification sheet, which is why we ask about the site before we quote the unit. For this configuration that means 16.3 mL per hour at 19.0 dB, holding 15.6 hours per fill across a 9 sq m (96 sq ft) room.
The cleanest first orders we see share one habit: the buyer declares the destination list at quotation stage. Certificates, manuals and plugs all follow from it, and raising them once as a package costs far less than raising them market by market as each order lands.
After that the sequence is ordinary. Sample evaluation first, on the actual specification rather than a similar one, with the buyer measuring mist output by a weighed run, run time per fill at the low step, and noise at one metre in a quiet room. Then the proforma invoice, which carries the stated lead time and the packing list rather than leaving them open. Then production, then booking.
The one step buyers skip and regret is the spares decision. Adding a spare disc per twenty units and a cartridge per unit where the water is hard costs almost nothing on a first container and prevents the top-up shipment that otherwise arrives in the middle of the season. On the WL-SM07M (STD) the figures worth carrying into the next order are the 255 mL tank, the 15.6 hours per fill on the low step, and the 19.0 dB reading on the sleep step.
Two things decide whether this product works, and neither is on the box: whether the tank lasts the interval the site can actually service, and whether the unit can be cleaned inside the time a round allows. Get those two right and the rest of the specification rarely matters.
Everything else on this page exists to make those two decisions possible before money moves - the figures by model rather than by marketing tier, the measurement conditions stated next to the decibel, and the honest statement of where the answer depends on the room.
Enquiries are welcome from anyone supplying this category at volume, whether as an importer, a distributor, a brand owner, a facilities or hospitality group, or a cross-border seller. Samples and the full documentation set are available on request. The WL-SM07M (STD) packs 100 units to a carton, carries a 12 months warranty and a 15-25 days stated lead time, and draws 2.1 W on the high step.
Published by: Wanlin Manufacturing Group, MistAirHome Export Division
Published on: September 29, 2026
Data sources: in-house factory testing + misting disc and cell specifications + certification and battery files + partner deployment records
Company address: Wanlin Group, Building B, Building 1, Beisida Medical Device Building, 28 Nantong Avenue, Baolong Community, Baolong Sub-district, Longgang District, Shenzhen, Guangdong, China
References: factory quality manual + third-party test reports + customer shipment records
Contact: Mistairhome@163.com / +8613261677119 / https://www.mistairhome.com
