Once armed, if the padlock is moved or knocked the loud two tone alarm will sound. This 110dB siren continues for 10 second sunless re- triggered and is a great deterrant to the would be thief or opportunist burglar. Our new design makes it very difficult for the sound to be muffled and the siren is loud enough to put off all but the most determined. After ten seconds the padlock re-arms ready to deter the next person foolish enough to tamper with it. |  |
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