The electric outdoor mosquito zapper uses a 15W ultraviolet attracts insects to fly to the grid and kill them by 4200V high-voltagePowerful Coverage Area: The coverage area for this high-powered electric bug zapper up to 2100 sq, multi-scenario use, all-round protect your homeHelp you get rid of flying pests in indoor and outdoor living areas, use for home, balcony, garden and courtyard,weather-resistant and waterproof housing make it can be use outdoor all year around. Safe and Quite: The unit no noise, quite, use for homes with pets or kids and pregnant womanSafe and Quite: The unit no noise, quite, use for homes with pets or kids and pregnant womanEasy Cleaning: With detachable tray in the bottom of mosquito killer, easily removed for quick, safe, and easy cleaning by a brush or flush warm water.