Defender Xtreme Silver Mini Stun Gun Self Defense. Distinctive U Flash design Shell made from Aircraft Aluminum Electric Shock activated by push out propeller Large Capacity Lithium polymer battery Rechargeable Silver Color LED Flash Light Includes USB Charging Cord Input Voltage: 5 VDC Current Capacity > 1.8 A Output Voltage: > 100kv L1.89 X W25mm X H17mm