... on the key port side ofthe lock,the alarm is active as you insert the shackle the unit will beep.if fited the ... armed after30 seconds,Turn the key anti-clockwise to lock the unit,the first time the alarm istriggered the unit will provide ... alarmingBattery replacementTo replace the batteries.remove the shackle and carefullyundo the two screws at the bottomof the shackle holes.pull the padlock apart, ...