1,electric killer insect 2,Kill flies, mosquitoes 3,CE&RoHS 4,One year ... killer insect is two AA battery operated insect zapper. Just swat the annoying bug, while holding down the ‘charge’ switch, ... two AA batteries into the battery cabinet before using.2.Grip the handle and press the zap button to ... the racket at the mosquito or fly. When the bug connects with the racket, a zapping sound will be ...