Rolson Alarm Padlock
Alarm Padlock 110db twin tone siren alarm padlock. There is a deep groove on the inside edge on one side of the shackle, When fitted with the groove on the key port side of the lock the alarm is active. If shackle is fitted other way round the alarm system is inactive. The alarm will sound for ten seconds if activated and will reset after thirty-five seconds without a trigger. Supplied with three keys and six LR44 button cell batteries.