Burglar Alarm Lock (wl10)

The product has a function of alarming when It is touched. it has 110db out put when alarming. When it is lockcd,it goes to the state of alertness after5-10s automatically,When something is being stolen the lock gives out strong alarming signals and the signal dissppears around 20s automatically when theft stop and the lock goes back to normal to its alertness state when it is open with a key ,the alarm lock goes with a long -life battery of modern 6F-22,9V,of which power conswmption is very small,it s much better if it goes with alkaline battery.