VIPERTEK VTS-979 - 53 Billion Stun Gun - Rechargeable with Safety Disable Pin LED Flashlight, Pink Powerful Stun Gun With LED Flashlight and Safety Disable Pin Convenient Size 6 point 5 x 2 x 1 inches Internal Rechargeable Battery No expensive batteries to buy Please make sure the unit is fully charged before attempting to use it The unit only comes with a test charge at the factory and it may not be enough power to fully operate the device Non Slip Rubber Coating Lifetime Warranty