The compact, discreet design conveniently attaches to any key ring, for maximum portability, and the wrist strap also makes this stun gun readily accessible. Featuring a 115 dB alarm that helps call for assistance in an emergency and helps deter attackers, audible up to roughly 500 feet (150 m) away. The 70-lumen LED flashlight helps you illuminate your way to safety. And the 1.154 microCoulombs will stop the attackers right in their tracks.