Electric Humidifier, Aroma Mist Maker for Bedroom, USB, 400ml Atmosphere light: white Working current: 200-350mA Water bottle capacity: 400ml Spray timing: 6 hours Spray volume: 30ml-50ml/h Input voltage/current: DC5.0V/1000mA Product size: 100 x 100 x 122mm Color Box Size: 103 x 103 x 125mm Net/Gross Weight: 125G/178G Material: PP/PET/Electronic Components Service Time: 6 hours for continuous spray, 12 hours for intermittent spray