... shackle, anti-cut, waterproof, corrision resistant. Alarm disc lock (alarm lock, motorcycle alarm lock, disc brake lock).Auto Push down locking ... keys12pcs buttoner batteries free of chargeAlarm under water motorcycle Alarm disc lock Verified Information This information is Verified by ... Line Capacity Actual Units Produced(Previous Year) Alarm Lock, Normal Lock Alarm Lock 2,400,000 Pcs Per Year ...