Voltage: 220V/50/60Hz Power: 35W Noise: 35dB max Weight: 1.72kg Area: 15-25 m2 Size: 250*250*300mm Water container capacity: 4.5L Usage: household Evaporation volume: 380ml/h max Standard: GB4706.48-2000 Package: 6pcs/carton Functions: 1.Ultrasonic atomized humidifying 2.Automatic stop working when water below the warning level 3.Acid/alkali-resisting flake