... .completely waterproof 2.used for door, car, bike etc. 3.cable lock with adding alarm 4.soud ... t give an alarm; the second step can either locked or give alarm.2) The alarm power supply is ... cart, garden machinery, locker, lockroom , etc.;2) 105-110 db alarm sound; 3) Auto-alarming system & locking system ... Can be used alarmed or unalarmed states; 5) Automatic alarm reset; 6) Shake, shock, move or vibrate ...