Night Light: Can be used as a night light when not in mosquito killer mode. Size: 8.5cm x 8.5cm x 21cm. Mosquito Lamp: Get a multi-functional mosquito killer lamp in black or white. Charge: USB charging design. Charging time two hours, working time four hours. Killer: Get rid of pesky mosquitos! Power: 4.5W power with a built-in 1200 mAh li-on battery. Multi-Functional Bug Zapper | Living Social | Living Social