Sell Yasuo Motorcycle Disc Lock With Aarm Anti Theft best price

- Press the lock core, it will be locked and you will hear the sound "Du", which means it is coming into the alarming station after 15 seconds. - When the lock body is vibrated, it needs 5 seconds to vibrate again then give an alarm. - After that it will alarm with every vibrated. - Alarm finished in for 35 seconds not to have vibrated, it will return to original alertness. - If you use key to slip the butterfly, it will stop alarming. Battery Replacement - When you hear the sound "DU DU DU---", that means the battery runs out, the battery are needed replaced. - It is very easy to replace the battery. Firstly, spin out the screws at the bottom of the butterfly lock, then take away the cover. - After that, you can take out the battery and put the battery into it and cover it. - But you should pay attention to the anode and the cathode of the battery.