MEGAWISE SK7620 3.5 L Ultrasonic Cool Mist Humidifier

MEGAWISE SK7620 is a top-fill ultrasonic cool-mist humidifier with a 3.5-litre tank, adjustable mist, low-water shut-off and a colour night light. Its claimed 48-hour runtime and room coverage are listing specifications, not independent performance measurements.

At a glance

Top-fill tank and wide opening are described as easier to refill and clean.
Mist output is adjustable with a rotary dial, with a listed maximum of 150ml/h.
Low-water shut-off stops mist production and turns on a red indicator, according to the listing.
The built-in seven-colour night light can be turned off. The listing also describes an aroma option with permitted essential oils.

Price

$33.26Save 33%

Reference price: ~~$49.99~~

Price checked: Nov 13, 2026

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Pros and cons

Pros

A 3.5-litre tank offers more capacity than compact personal humidifiers.
Top filling avoids needing to move the base for routine refills, as described in the listing.
Adjustable output and a separate light-off option allow some control over bedside use.

Cons

Customer feedback reports durability concerns, including reports of units failing within 30 days or before a year.

Technical specifications

23 specifications

Identity
Brand	MEGAWISE
Model	SK7620

Capacity and operation
Water capacity	3.5 liters
Mist output	Up to 150ml/h
Claimed runtime	48 hours
Claimed room coverage	500 square_feet
Operation mode	Automatic
Technology and mist	Ultrasonic cool mist
Noise claim	less than 28dB
Low-water feature	Auto shut-off
Filter type	Water Filter

Controls and power
Control methods listed	Touch
Mist adjustment	Simple rotary dial
Voltage	220
Power source	Corded Electric

Features and materials
Special features	Night Light, Quiet
Night light	7-Color Night Light
Material	Polypropylene
Colour	White
Shape	Rectangular
BPA claim	BPA-Free

Dimensions and installation
Dimensions listed	20.3D x 20.3W x 33H centimetres
Weight listed	998 g

What to know before buying

The listing gives a 48-hour runtime and up to 150ml/h output, but does not state the setting or conditions for the runtime claim. It advises using purified or filtered water and cleaning the tank every 2–3 days.

What’s in the box

Included

Machine body

Who is it for?

A good fit for

Bedrooms, nurseries or home offices where a top-fill cool-mist unit and adjustable output are priorities.
Buyers who want a built-in night light that can be switched off.

Less suited to

Shoppers who need established long-term durability or consistently rated performance. Customer feedback reports durability concerns and mixed experiences with performance, mist output and noise.

MEGAWISE SK7620 3.5 L Ultrasonic Cool Mist Humidifier · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.2 / 5 · 3,978 ratings

5 stars66%66%
4 stars13%13%
3 stars8%8%
2 stars4%4%
1 star9%9%

Customer feedback highlights the lighting and ease of use, while reporting durability concerns, including some units said to stop working within 30 days or before a year. Views are mixed on performance, mist output, noise and value. These reports matter if the humidifier is intended for frequent or overnight use. The aggregate ratings lean positive overall, but do not settle those specific concerns.