Features Built-in 110 decibel alarm - An alarm padlock with a built-in 110 decibel siren sets off a piercing alarm, which will be activated if the body or shackle is attacked. 

Shock and movement sensors - The padlock has both movement and shock sensors and if either is triggered the siren will sound. 

Auto-arm/disarm function - This lock can be used as an ordinary padlock unarmed or armed. When the lock is armed, it emits an ear-piercing loud siren when movement or shock is detected. 

Corrosion resistant and weatherproof - Alarm padlocks with anti corrosion properties to withstand all types of weather conditions. Suitable for gate, door, car steering, bicycle, safe box and more - Keep your bike, garage door, garden shed, side gate, tool box or locker, or anything you desire secure with GT Benz Alarm Padlock. 

Recommend for Indoor use only.