... alerting you to unwanted attention. The padlock alarm is a new concept in padlock systems ... diesel tanks etc. 1) This alarm small padlock is widely used for home, door, window, case, box. ... it will give an alarm and keep alarm with serial movement or vibration. Each alarm will cost 10 seconds. ... machinery, locker, lockroom , etc.; 2) 105-110 db alarm sound; 3) Auto-alarming system & locking system; 4) ...