Optimus U-31001 1.5-Gallon Cool Mist Ultrasonic Humidifier

This Optimus cool mist ultrasonic Humidifier has a 1.11 gallon tank capacity and outputs 1.5 gallons in 18 hours. It features a water empty automatic shut off switch and refill light and has an adjustable mist volume control. Contains a removable transparent tank with handle for easy removal and transport and has a whisper-quiet operations so it won't disturb sleep.