Optimus U-31002 1.5-Gallon Cool Mist Ultrasonic Humidifier , White, household Description Combat dry air with the Optimus(R) 1.5-Gallon Cool Mist Ultrasonic Humidifier. This product automatically shuts off once the water has been depleted and features an adjustable mist volume control. Features: 1.5gal Capacity Water-empty Auto Shutoff Switch & Refill Light Adjustable Mist Volume Control Great for all your needs Great for all your needs Product Details: Brand: Optimus Special Feature: Manual Color: White Operation Mode: Ultrasonic Item Weight: 24 Pounds Brand: Optimus Special Feature: Manual Color: White Operation Mode: Ultrasonic Item Weight: 24 Pounds Room Type: Living Room, Bedroom Model Name: U-31002 Included Components: Optimus 1.5-Gal. Cool Mist Ultrasonic Humidifier, Owner's Manual Voltage: 120 Volts Control Method: Touch Product Dimensions: 11.4 x 8.4 x 13.5 inches Item Weight: 24 pounds Manufacturer: Optimus Enterprise Inc Country of Origin: China Item model number: U-31002 Is Discontinued By Manufacturer: No Care instructions: Hand Wash Assembly required: No Number of pieces: 1 Warranty Description: 1 year. Batteries required: No