Made of high-quality material. mosquitoes fast without sticky, messy or sprays. Use natural physical method gets rid of flies. Great for places where can't be sprayed like kitchens and hospitals. Completely harmless to human and pets. Plug and Play. For better results, please put your fly traps in areas where flying insects are frequent activity. Upgraded protective cover has ultra high light transmittance. It attracts bugs with emitting high-intensity light and can be placed indoors, such as balcony, bedroom, parlor, kitchen, bathroom, garage, etc. Safely Bug Zappers, the narrow housing interval (less than 0.22 in) of mosquito zapper can effectively prevent fingers from high-voltage power grid by accidentaccident. To clean dead mosquitoes, the unit is unplugged from an electrical outlet and then use a screwdriver to touch the metal plate for static electricity release. Use the tissue or small brush to get the dead bugs out.