Mosquito Killer Trap Lamp Electric Shock Bug Zapper For Insects Fly Screen. Turn off all the lights to provide a dark environment for the best effect.Plug the unit into the wall socket 0.8-1.2 meters above the ground and on condition that there are no people around for best catch results.(You are more attracted to the mosquitoes than the lamp is.Widespread Attracting Light: the high-power purple light has stronger light penetration and farther, which can attract more mosquitoes.Easy to Operate: With just one press then you can get it to work.Easy Carrying: