... open the lock rod, the rod locks onto a key ring concave groove towards the direction of placing: ... 5 seconds and then subject to vibration, will issue a warning sound: if no trigger in one minute, ... back to the original function, vibration, the ring three times a warning tone. Feature(1).Used on: Fit for ... the lock, please dismantle two 5mm screws with a screwdriver, open the cover, and then put the ...