• 110db audible sound lock.
• Protects the bike lock from destroy and prevents the behavior of moving the bicycles by the thief.
• With code switch， avoiding key switch weakness which easy to open with other keys.
• Comes with a set of screws for easy installation.

Package Details Weight: 109.14 g
Size: 11*7*9 cm
Package Includes 1 × Bicycle burglar alarm
1 × Set of Screws