Alarm lock
1.Dimensions:164MMX210MMX31MM,Shackle diameter:18mm
2.105dB Siren Alarm
3.Detects Shock and Motion
4. Resistant to physical abuse and tampering
5.Hot processed, hardened steel shackle;
6. Aluminum alloy body, chrome finish;
7. Resiliant bumper prevents scratching;
8.Waterproof, resistant against salt and hard weather;
9.6 button batteries (digital watch style), battery life: 6 months