LRAZU HQ-JS2604 15L Ultrasonic Cool-Mist Humidifier

LRAZU HQ-JS2604 is an ultrasonic cool-mist humidifier with a listed 15-liter tank and app, remote, and touch controls. Its adjustable humidity settings, top-fill design, and timer suit buyers looking for a large-capacity unit, while its room-coverage and runtime figures are manufacturer claims rather than independently verified measurements.

At a glance

Manufacturer lists a 15-liter tank, up to 400mL/h mist output, and up to 100 hours of runtime.
Humidity settings are adjustable from 40% to 90%, with five mist levels and an auto mode described as adjusting output to maintain the selected humidity.
Top-fill design, 360-degree rotating nozzle, sleep mode, and 24-hour timer are listed.
Aroma diffuser tray and breathing night light are described. The listing also claims 35dB operation.

Price

$99.97Save 23%

Reference price: ~~$129.99~~

Price checked: Nov 14, 2026

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Pros and cons

Pros

The large listed tank capacity and top-fill design may reduce refill inconvenience compared with smaller-capacity units.
App, remote, and touch controls provide several ways to adjust settings.
Selectable humidity settings and auto mode offer more control than mist-level selection alone.

Cons

The listed 17.51-inch depth may require checking available floor or surface space before purchase.

Technical specifications

13 specifications

Identity
Brand	LRAZU
Model	HQ-JS2604

Capacity and coverage
Water capacity	15 liters
Listed floor area	1200 square_feet

Operation and power
Operation mode	Ultrasonic
Voltage	110 volts
Wattage	30 watts
Power configuration	ac_dc

Controls and materials
Control methods listed	App, Remote, Touch
Material listed	Acrylonitrile Butadiene Styrene

Dimensions and appearance
Dimensions (D x W x H)	17.51"D x 11.02"W x 7.67"H
Color	Black
Shape	Round

What to know before buying

Listing details to confirm

The 1200-square-foot coverage, up to 100-hour runtime, up to 400mL/h output, and 35dB noise figure are listing claims, not verified performance measurements. Runtime and coverage may depend on operating conditions, which are not specified.

What’s in the box

Included

Humidifier
Mist tube
Remote control
User manual

Who is it for?

A good fit for

Buyers seeking a large-capacity cool-mist humidifier with multiple control methods.
People who want adjustable humidity settings and an auto mode for a room humidity target.
Households that prefer top filling, a timer, and sleep mode.

Less suited to

Buyers who need independently verified room coverage or runtime figures.
Anyone needing warm mist, since this listing describes cool mist and ultrasonic operation.

LRAZU HQ-JS2604 15L Ultrasonic Cool-Mist Humidifier · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.6 / 5 · 37 ratings

5 stars75%75%
4 stars17%17%
3 stars0%0%
2 stars8%8%
1 star0%0%

Aggregate ratings lean positive, with most ratings in the five-star category, but a smaller share are two-star ratings. Without written feedback, the reasons behind either response are unknown. These ratings do not verify the claimed coverage, output, or runtime, so buyers should weigh them separately from the product specifications.

Frequently asked questions

How much water does the LRAZU HQ-JS2604 hold?

The listed capacity is 15 liters. The listing also describes the tank as 15L/4Gal.

Can this humidifier be controlled from an app?

App, remote, and touch controls are listed. The supplied details do not specify app compatibility requirements.

What humidity settings does it offer?

The listing says humidity can be set from 40% to 90%, with five mist levels and an auto mode.

How long can it run before refilling?

The listing claims up to 100 hours, but does not state the conditions for that figure. Treat it as a manufacturer claim rather than a guaranteed runtime.