... , but not giving an alarm.B. If it is necessary to install the alarm, please use the key ... C. It will remind you by sudden stop alarm when the battery runs out, the battery are ... garden machinery, locker, lockroom , etc.;2) 105-110 db alarm sound; 3) Auto-alarming system & locking system; 4) ... Can be used alarmed or unalarmed states; 5) Automatic alarm reset; 6) Shake, shock, move or vibrate sensor; ...