Diamond Shape Air Freshener with led light inner, nice home decoration, can be used as night light. The use of USB interfaces power supply. Suitable for indoor and car use. The use of nano-spray technology can effectively reduce the dry; reduce the electronic radiation to eliminate static electricity, safe and clean. OFFICE: purify air effectively, reduce bacterium and peculiar smell. CAR: purify the dirty air in the car and remove the dust. HOTEL ROOM: cleaning, formaldehyde and other home improvement pollution, prevention and treatment of household diseases. AC ROOMS: Upgrade air-conditioning four degrees to provide quality sleep. SPECIFICATION Material: ABS+PP, electronic components Working voltage: DC5V Working current: 400mAh Power : 2W Water tank capacity: 150ML Spray volume : 35ML/H Timing time : First gear 3.5 hours; second gear 5 hours. PACKAGE INCLUDES 1 x Humidifier 1 x USB Cable 1 x Filter