ARVOV 4L Humidifiers for Home Bedroom, Cool Mist Air Humidifier with Night Light, Whisper Quiet, LED Display with Humidistat, 24H Auto-Off Timer, Waterless Auto Shut-off|Large Room|Baby Room

Efficient Dry Air Relief: Cool mist humidifier with 1.06gal / 4L water tank can provide up to 30 hours of continuous mist to moisturize the dry air in a 10-30 m² / 107-322 ft² room with one filling on low mist setting
Smart Humidity Monitoring: Built-in humidistat automatically stops diffusing the mist when the preset humidity level is reached and resume humidifying when the humidity level drops, to constantly maintain an optimal indoor humidity for long-lasting comfort
Quiet Operation: Ultrasonic humidifier infuses your room with clean and fresh mist without causing any disturbance to your study, working or sleeping, that’s ideal for a bedroom, nursery or office
Easily Customizable: Clear LED display helps you know the real-time room humidity and settings at a glance; also you can customize all the settings (mist output, preset temperature, timer, sleep and night light mode) with control button for convenience and accessibility
Comfortable Sleep: Soft night light offers soothing and relaxing lighting for deeper relaxation at night; and only sleep icon is on in sleep mode for undisturbed sleep