Make sure your home is free from disease-carrying pests and use this Fly Zapper Racket Pest Killer to kill them! You can use this device wirelessly! It is a battery-powered device that requires two AA batteries. The package doesn’t include the batteries. This zapper racket also produces shock waves that kill insects instantly upon contact. You then simply have to swat them with it as you would with a badminton racket. Finally, it has an ergonomic handle for a comfortable grip.