Advanced Technology - LED Blue-violet band emits 365-420nm wavelength. This wavelength has a deadly attraction to the long-lasting stability of insects Mosquito. Can not only kill mosquitoes, but also eliminate other insects. Powerful and Effective - The latest type of mosquito killer. It attracts insects by emitting high-intensity UV light. Insects then come into contact with an extremely powerful high-voltage electrically charged metal grid, instantly killing them. Kills an unlimited amount of insects Chemical-Free - Made of environmentally friendly material. Get rid of mosquitoes quickly without sticky, messy poisons or sprays. Use natural physical method gets rid of flies. Great for places where pesticides can't be sprayed like kitchens and hospitals. Completely harmless to humans and pets 45 Slope Design - Mosquitoes automatically slide off, no need to clean up the mosquito, ensure that the entire range of mosquito killing in multiple cycles is carried out. How to change mode: Three modes can be selected from the switch control. First switch is normal light and bug zapper mode. Second switch just light light mode. Third switch just bug zapper mode.