The most well known, highest quality stun gun in the world. Made in the USA. Simply touch an attacker with the Z-Force stun gun for 1-2 seconds to deliver a high voltage, low amperage shock, causing loss of balance and muscle control, confusion and disorientation. Full recovery takes about five to ten minutes, and there is no permanent damage. Lifetime Warranty 300,000 Volts 6.5" Tall Safety Switch Wrist Strap Uses two 9-volt batteries