Rosewill Ultrasonic Cool Mist Humidifier for Bedroom Filter Free with No Noise Adjustable Dual Nozzle Mist Outlet 5 Liter / 1.3 Gallon, White, RHHD-14001 Tank capacity: 5L (1. 32 Gallon) with filter free design for effortless maintenance 360 degree adjustable dual nozzle mist outlet to direct the mist wherever you want Built-in soft glow LED night light with variable mist control Auto shut off when the water tank is empty Ultrasonic technology allows for quiet operation, effectively humidifies rooms up to 250 square feet