Ultrasonic Cold Mist Humidifier Features: 1) Automatic off function when low level of water 2) Advanced noise control design, super quiet when operating 3) Variable humidity control and evenly distribute 4) Low water indicator 5) Removable water tank for easy carry and refill Technical data: Rated voltage: AC 220V/50Hz Rated power: 10 to 32W Tank capacity: 2.2L Max mist volume: 250mL/h Noise: < 35dB(A) Packing: Quantity: 6pcs/ctn Color box: 21 x 19.5 x 31cm Carton: 62 x 43.5 x 33cm Loading: 1890pcs/20-ft GP 3990pcs/40-ft GP