Choose the perfect level of protection for you with the ZAP 950,000 volt stun gun. Unit features a soft rubber coating for a non-slip grip that's easy to control. ZAP 950 has a Red on/off indicator that lets you know when your ZAP is ready to fire. Powered by three Lithium-Ion batteries size CR123A that can last up to two years and are included with your purchase. Also included is a convenient nylon carrying case with a belt clip and a wrist strap. To use this stun gun, turn the on/off switch to the up on position. A right light will indicate the unit is ready to use. To fire the stun gun, press and hold the black button above the on/off switch. A loud popping noise will let you know you ZAP 950 is working. Please note, do not take the unit apart - tampering of any kind will VOID the warranty..