Motorcycle alarm disc brake lock

Product Description:
•  Material : zinc alloy
•  Size:9(W)*3.9(D)*7(H)cm
•  Lock pin diameter : 7.0 or 5.5mm
•  Finish:Spray or Plated
•  Qty/CTN:30pcs
•  Carton size:34*23*25cm
•  G.W/N.W:20/19kg
•  Used For Motorbike, Motorcycle, bike, Electromobile, scooter, etc
Product Features:
•  105-110 db alarm sound
•  Auto-alarming system & locking system
•  Can be used alarm or no alarm states
•  Automatic alarm reset
•  Shake,shock,move or vibrate sensor
•  Resistant corrosion , Resistant bad weather, Resistant physical destory, Waterproof .
•  6 pcs button batteries (digital watch style), battery life:4-6months
•  2pcs brass security keys(flat or round shape, also depend on customer reqirement)
•  6pcs AG13(4.5v) button batteries( extra a set of batteries is available), battery life:10-12 months
Usage Alarm Disc Lock:
•  Press the lock core, it will be locked and you will hear the sound “Du”, which means it is coming into the alarming states 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 open the lock, it will stop alarming.
•  It will remind you by sudden stop alarm when the battery runs out,the battery are needed replaced.
•  It is easy to replace the battery. First, spin out the screws at the bottom of the butterfly lock, then uphold the top cover. After that, you can take out the battery and put the new battery into it and cover it. But you should pay attention to the anode and the cathode of the battery.