Alarm padlocks provide you with double the protection of a normal padlock. It offers the standard high level of protection that a padlock does, couple with a loud sire which will sound when the padlock tampered with. This means that the alarm sounds before any damage is done. Keeping your item safe and secure.
If the alarm does sound more often than not the thief will flee because of the fear of being caught. It has two settings: one with alarm, the other without. Package include 1x, lock, 3xkey, use the key to open the lock and pull out the lock pole, turn over 180 degree to insert into the lock hole, when you hear the sound DU, the lock is coming into alarm situation, after 15seconds when the lock is vibrates again, it will gives alarm and keep alarm with serial movement or vibration.
Each alarm will last 10seconds. Another thing again is when you hear the sound Ge Ge Ge constant voice then know that the battery will be worn out, which means you need to replace the battery. To replace the battery just pull out the lock pole, spin out the two screws inside the lock body, take away the cover and replace the battery.