3-in-1 Automobile Emergency Tool. Measures 3" x 1 1/4" x 11/16". Black and red ABS construction. Features glass breaker, seat belt cutter and LED flashlight. Quick release pullaway has tool ready for action instantly. Uses three AG10 button cell batteries (included). Easily attaches to keyring, rear-view mirror post or sun visor arm. Weight: 0.9 oz.