Alarm Lock MOTION SENSOR ALARM PADLOCK SHED GARAGE ALARMED HEAVY DUTY WIRELESS LOCK Universal Security Alarm Lock System Waterproof Anti-Theft for Door Motor Bicycle Benefits Corrosion Resistant, Ice Spray Proof.Alarm activated if lock is moved, touched or knocked. Can be used alarmed or un-alarmed.The alarm siren will sound for 10 seconds if triggered, and will re-set itself after 35 seconds. This alarm padlock is movement and shock sensitive and will help to protect your possessions. Strong and Durable: This brake lock is constructed with forged Aluminum alloy and is secured with a 10 mm Locking, carbide-reinforced hardened-steel locking pin. With waterproof function Wide Application: For indoor and outdoor use Lock is best used for scissor gate, roll up gate, personal locker, moving truck, storage units, garages & sheds, trailers, tool box, etc. Can be set to two states: mechanical lock and alarm.Low false alarm rate. Low power consumption.