Jolt Bug Zapping Racket - Zapper, Model: Jolt-2AAs-TNTsales, Home & Garden Store The racket produces a charge imbalance, known as static electricity, (although electricity is never static) There is a red light that comes on when you press the on/off button (no cumbersome safety switches.) This charge is enough to zap a mosquito dead, stun a fly or zap off a wing or a leg or both! Is it Safe? - Yes, it is CE certified safe. / RoHS Certified. Included in Each Purchase: Quality Bag with carry handle.