(713) 774-1000 Protection Products 150,000 Volt Stun Gun Alfa - ST MCA A stun gun this size has never been available with this kind of knockdown power. Power level of 150,000 volts and each stun gun will come with it's own carrying case. No larger than a pack of cigarettes, the Black Cobra has the knockdown power of a stun gun twice it's size. Black Cobra Stun Guns will each come with a full 1 year warranty. A 1/2 second shock will startle assailant giving some pain, muscle contraction, and shock. A 1 or 2 second shock will cause muscle spasms and a dazed mental state. Simply touching an attacker with a stun gun for 3 to 5 seconds will deliver a high voltage shock causing loss of balance and muscle control, confusion, and disorientation bringing him to his knees and making him incapable of further aggressive activity. Full recovery takes about five to ten minutes and there is no permanent harm. This Unit will give you peace of mind knowing that you can frighten away or take down any attacker. This is a high power, high quality proven product. You can't go wrong. Under no condition can you suffer a charge back to your own body so you can feel safe to use even if assailant is holding you. Requires one 9 volt battery. We recommend one Industrial Energizer 9-Volt Battery