Parameters: Cute USB Air Humidifier Astronaut Style Creative Gift 1200mAh Battery Portable Mist Maker Fog Sprayer Night Light Water Diffuser Name: astronaut humidifier Rated input: DC5.0V / 1.0A Working current: 300-400mA Rated power: 1.5-2W Atomizer frequency: 108Hz Water tank capacity: 220ml Spray volume: 40ml / h Scheduled shutdown time: 4 hours Size: 110*110*119mm Cotton stick size: 7*99mm Material: ABS/PC/Electronic components Features: Stylish ornament space capsule and separate astronaut doll, funny decorations. Large spray volume 40ml/H mist speed, maintain comfortable humidity. Mini portable lightweight and handheld, easy to carry into bag, go to travel and outdoors. Atmosphere lamp colorful flashing lights, silent accompany at night. Safe to use seal rubber ring, dump without water leakage, won't wet the desktop items. Note: the USB version does not contain batteries and needs to be plugged in to use. The battery version contains a 1200mAh battery for 4 hours of wireless use. thanks. Package List: 1 Piece Aroma Humidifier(only 1 doll) 1 Piece USB Cable 1 Piece User Manual