Simply press the button and swing, once the Fly, Wasp or Bug touches the screen it will be instantly zapped, unlike the 3 layer rackets who often have to try several times to get a zap because of the dead outer layers. Superb build quality, genuine branded Executioner, not a cheap copy. Ideal for home, office, camping, barbecues and any outdoor activities where flying bugs bother you. The instant zap single layer 1.2mm zinc steel grill made with ABS plastic, not brittle recycled plastic. Positive on and off button with LED warning light and instant off once button released. Very high-quality electronics which have been tested to over 100,000 zaps. Ideal for a gift. Our racket comes with free branded alkaline batteries, fully CE approved.