Abus 275 Alarm 100 dBABUS 275 Alarm Disc Lock Yellow Compact & Secure with Alarm Protection The ABUS 275 Alarm Disc Lock combines reliable mechanical security with an integrated alarm system for extra protection. Its compact yellow design makes it highly visible, while the 100 dB alarm deters theft attempts effectively. Features Sturdy disc lock with alarm Alarm function with 100 dB loudness Easy to use and compact design Bright yellow for visibility and deterrence