Effectively eliminate most flying insects: Bug zapper come with 20W bulb emits blue purple light to attract bugs, once bugs flies in, it will be immediately killed by 4200v power grid, which can effectively eliminate mosquitoes, moths, bedbugs, flies, ect Easy to clean & Replaceable bulb: Dead bugs will fall onto the tray, you just need to clean the tray with brush provided. Bulb is replaceable. If your bulb becomes less effective at attracting flying insects, you can replace it. NOTE: All steps must be processed under the power supply disconnected completely Easy use with button control: The button control can conveniently turn on and off the bug zapper without repeatedly operating the plug. 5.6 feet long wire is more convenient to use mosquito zapper indoors and outdoors. IPX4 waterproof and suitable for outdoor use, you don't have to worry about it being damaged in the rain The convenient hanging ring: Just plug in bug zapper to the socket, it will work for you.