Kottle Safety Electric Mosquito Zapper Fly Swatter Bug Zapper Pest Control Perfect for Indoor and Outdoor (Yellow1) Rechargeable Type: Fly Killer furnishes 2V best quality rechargeable batteries which can by recharged in recycle for more than 600 times. It is quite practical and economic. Requires 2 AAA batteries (not including). Twice-speed Discharge: It adopts an innovative twice-speed discharge circuit which can output 2500V in a moment. So, it has the best result for result for hitting mosquito. Electric Shockproof Net: It can kill mosquito which is sucking blood on human bodies but it is harmless to human. When touching the net on flat surface, without any feeling of electric shock, so it is safe for use. Leakproof Net: Mosquito zapper consists on a special 3-layer net which can easily catch insect and never leak out. When hitting insect, you can easily kill them just by pressing its switch. Convenient use. Mosquito zapper consists on a special 3-layer net which can easily catch insect and never leak out. Electric Shockproof Net.It can kill mosquito which is sucking blood on human bodies but it is harmless to human. When touching the net on flat surface, without any feeling of electric shock, so it is safe for use. When hitting insect, you can easily kill them just by pressing the switch as the Picture Show. Convenient use