... if no trigger in one minute, then back to the original function, vibration, the ring three times ... alarm. please pay attention to the anode and cathode.(5)Warning:in order to replace battery easily later on ,please ... hurrily.2.Set mechanical lockInsert key, rotate key to open the lock rod. In the opposite ... and negative.Note:Dismantle screw only for change battery, not for open lock. Please change the ...