The Optimus 2.0 gal Output Cool Mist Ultrasonic Humidifier has a 1.38 gallon tank capacity that operates up to 17.3 hours. Treat yourself to comfort when you need it with adjustable mist volume and humidity controls. Whether you're feeling under the weather or just need a little more airborne hydration, this whisper-quiet humidifier with LCD display gets the job done. Automatic no-water shutoff and a refill light ensures safety.

Optimus 2.0 gal Output Cool Mist Ultrasonic Humidifier with LCD Display: 1.38 gal tank capacity, operates up to 17.3 hours Water empty automatic shut off switch and refill light Adjustable mist volume control and humidity control Humidistat from 40rh% to 99rh% increased by 5rh% Built in ionizer with indicator light Easy to fill transparent water tank Whisper-quiet operation; won't disturb sleep Build-in 1- to 24-hour timer Moisture output: >300ml/h, 120v 30w Dimensions: 12"L x 9"W x 15"H Model# U-31006 automatic humidifier