Feature:1.The light kills through physical means, which has no poisonous chemical composition, therefore has no harm to human.2.Powerful but quiet, it is safe to human and pets with neither electric noise nor chemical ingredients. No radiation.3.Super mute for daily use. You can barely hear any sound in the usage.4.Suitable for home, hotel, restaurant, school, park and hospital.5.With the triple anti-escape apparatus, it is simply to turn and unlock the  storage box to discard the dead mosquitoes. So you don’t need to worry about the cleaning problems which others’ may have. Specification:- Material: ABS- Size: Approx. 10.5x10.5X25cm.- Power line length:108cm.- Power interface: USB- Rated Voltage: 220V110-220V.- Rated Power: 5W.- Serviceable Range: 20-40㎡. - Enviromental design, low consumption with 5W power.- Strong suction that inhales the mosquito into the killer lamp.- Note: Please don't place the lamp anywhere near you, for youself are more attracted to the mosquito than the lamp is. Package included:1 x Mosquito Killer Lamp1 x USB Cable