Bentag Alarm padlock Electronic Safety Lock Keep your side gate, tool box, locker, bike or garage door or anything you want to secure with this Heavy Duty 110dB Siren Alarm Padlock. The Heavy Duty Siren Alarm Padlock has a body made of extra strong cast steel, high-grade steel shackle. It is resistant to corrosion, bad weather, physical destroy & Waterproof. Combines locking function with alarming function. Built-in movement triggered alarm, which can radiate loud sound when the lock is hit or shaken. Low power consumption. It can be used on main door, window, bicycle, motor bike, pull gate, etc. Corrosion resistant, waterproof and durable, it is easy to use. Powered by six button batteries. Supplied with 3 spare keys for your convenience. Operating Instructions When you insert key, turn in a clockwise directions and remove shackle, replace Shackle into lock with groove towards key port, the lock will “beep”, at this point remove the key and the alarm will set after 15 seconds. When the lock is vibrated twice within 5 seconds the alarm will sound. The 5 second delay allows the lock to be opened by key without sounding. The alarm sounds in 10 second intervals. The alarm will keep sounding with constant movement or vibration. Once stopped the alarm will re-set after 35 seconds.