This little device converts 3.7 Volts to approximately 18,000 Volts. The main component in a taser/ stun gun, it creates quite a spark and a loud crackling noise when the probes are within 1/2" inch of each other. 1.35" x 1.55" x 0.31". The output leads have pointed probes attached. Applications for this device, other than self-defense, include an ignition source for a gas grill or model rocketry or a crackling sound effects generator.
Warning: Please operate this carefully to avoid injury to yourself or others. This device was designed to safely disable an attacker by inflicting an electric shock. Do not touch probes to yourself or others when power is applied.