If you're looking for an extremely small stun gun that's easy to
grip and delivers amazing shocking power the Jolt JACK (Jolt Attacker
Compact Keychain) is the one. Measuring only 3.5 x 1.5 x 0.75 inches it
fit easily in a pocket or attach it to your keychain making it quick to
find and use if needed. It also comes with a convenient LED flashlight
and battery power indicator lights so you'll always know when you have a
*Actual Voltage output is difficult to measure and verify, but this
unit compares to other brands that claim to be 77,000,000 or more volts.