Abus 440A Alarm U-Lock - 4.2 x 9" Keyed Black/Red Includes bracket. Abus 440A Alarm U-Lock is equipped with the proven 3D Position Detection System which registers even the smallest movement.

Hardened 12 mm round shackle

Alarm at a volume of at least 100 dB for 15 seconds followed by automatic reactivation

CR2 batteries included

Shackle the body and the load-bearing parts of the locking mechanism are manufactured using specially hardened steel