How does auto humidity control work?

It has a upgraded humidistat. You set desired humidity (40%-90%) and the unit automatically adjusts mist output to maintain that level When humidity reaches your set point it slows down or stops; when it drops, it restarts – no manual tweaking needed

Can I use essential oils? Where to put oil?

Yes. There is a dedicated aroma box on the back. Add a few drops of essential oil onto a cotton pad and place it inside the box. The mist will carry the fragrance. Do NOT put oil directly into the water tank or base – that may damage the humidifier

Is it quiet for bedroom use at night?

Yes, it's an ultrasonic humidifier at 30-40dB – quieter than a library, sleep-safe. Clean regularly per manual to prevent scale & keep it quiet. 1-16H timer & constant humidity mode make it perfect overnight.

What happens when water runs out? Is it safe?

Very safe. The humidifier has an auto-shutoff feature. When the tank is empty it turns off automatically and sounds a waterless alarm. No dry burning, no overheating – safe for homes with babies pets or elderly. You can leave it running without worry

How long does 4.5Gal (17L) last? Is it heavy to move?

At 12 hours/day of medium mist it can last 3-4 days It has 4 smooth-rolling wheels on the bottom so you can easily move it from room to room even for pregnant women or seniors. Also includes an extension tube to direct mist higher and avoid wet floor

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17L/4.5Gal Large Humidifiers for Large Room2000 sq ft, Quiet Humidifiers for Bedroom, Floor Humidifier with 4 Mist Mode & Extension Tube for Home Whole House School Office Commercial Plants

17L/4.5Gal Large Humidifiers for Large Room2000 sq ft, Quiet Humidifiers for Bedroom, Floor Humidifier with 4 Mist Mode & Extension Tube for Home Whole House School Office Commercial Plants

Product ID: 664729937

Details

Brand
Hiswelle
Capacity
17 liters
Color
Black
Floor Area
2000

💧17L/4.5Gal ultra-large capacity

🔇Whisper-quiet sleep mode

⏲️1-16 hour programmable timer

Description

💨 Breathe smarter, live better — the ultimate humidifier for your lifestyle.

MASSIVE 17 L TANK FOR EXTENDED COMFORT - Keep your large spaces perfectly humidified for up to 60 hours without constant refills.
AROMATHERAPY READY WITH MULTI MODE CONTROL - Elevate your environment with essential oils and 4 mist settings tailored to your mood and space.
EFFORTLESS MOBILITY FLEXIBLE MIST DELIVERY - Smooth-rolling wheels and a 360° nozzle with extension tube let you customize mist direction anywhere.
SMART HUMIDISTAT FOR PERSONALIZED AIR QUALITY - Automatically maintains your ideal 45%-95% humidity level for ultimate comfort and health.
WHISPER QUIET OPERATION FOR UNDISTURBED FOCUS - Enjoy peaceful nights and productive workdays with ultra-quiet ultrasonic technology.

The Hiswelle 17L/4.5Gal Large Humidifier is engineered for expansive 2000 sq ft spaces, combining a massive water tank with whisper-quiet ultrasonic technology. Featuring a smart humidistat, 4 mist modes, and a programmable 1-16 hour timer, it ensures personalized, consistent humidity control. Designed with safety auto-shutoff, mobility wheels, and an aroma diffuser, it’s perfect for home, office, or commercial use—delivering healthier air and a touch of luxury to your environment.

Specifications

ASIN	B0DCMSBVG6
Best Sellers Rank	#1,364,166 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #1,004 in Humidifiers
Brand Name	Hiswelle
Capacity	17 liters
Color	Black
Control Method	Touch
Customer Reviews	4.1 4.1 out of 5 stars (54)
Filter Type	Carbon
Floor Area	2000 square_feet
Included Components	Humidifier,
Item Dimensions D x W x H	11"D x 11"W x 28"H
Item Shape	Rectangular
Item Weight	4.9 kg
Manufacturer	Hiswelle
Material	Plastic
Model Name	919BK
Model Number	919BK
Number of Packs	1
Operation Mode	Ultrasonic
Other Special Features of the Product	Sleep Mode & Whisper-Quiet, 4 Level Option, Top filling, 1-16 hour Timer, touch control panel, Waterless Auto Shut Off, Humidistat, remote control,With Essential Oil Diffuser
Power Source	Electric Cable
Room Type	Bedroom
Runtime	60 hours
Unit Count	1 Count

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