Armed and disarmed by a special 2-number security code that only you know
Clamps easily to any 7/8" or 1" diam. handlebar—nothing to wire, nothing to hook up
Delivers a piercing 110dB sound when anyone tampers with your bike
Extra-tough, thick-wall black plastic housing is aerodynamically designed (1-1/2" x 1-3/4" x 2-1/2) and lightweight (less than 3 oz.). Sounds when bike is touched and continues until the motion stops. Automatically rearms. Deactivated only when the special code is entered. 12-volt alkaline battery included. Security code knobs numbered "1" to "8". Includes mounting clamp. Set of 2 replacement batteries sold separately.