... with adding alarm 2.used for door, car, bike etc. 3.rainproof and weatherproof 4.soud level is 110dB This Padlock Alarm is ... , toolboxes, gas cylinders, diesel tanks etc.1) This alarm small padlock is widely used for home, door, window, case, box. combined with ... , cart, garden machinery, locker, lockroom , etc.; 2) 105-110 db alarm sound; 3) Auto-alarming system & locking system; 4) Can be ...