Electric Fly Swatter\Bug Zapper\Mosquito Killer Bat The Electric Fly Swatter is the ultimate battery-operated electric fly swatter effective against virtually any insect. Just find the insect, hit it with the tennis-racket shaped fly zapper, press the zap button and watch the bug sizzle!! The output power is relatively low, constituting no real hazard to humans or pets. Saying this, we do not recommend you touch the grills - quite a shock!! The insect zapper has no smell, and contains no poisonous or harmful materials. It's safe for indoor or outdoor use. Praised as the most effective, convenient, and hygienic insect terminator, it leaves no smudge, smear or mess to clean up after the kill.