ABUS Alarmbox 2.0Compatible with ACH and ACL plug in chains and cables Alarm of at least 100 dB for 20 seconds Alarm function on basis of the ABUS 3D detection system that means that every movement is detected Intelligent alarm In case of small and short movement, e. g. the bike gets hit by a football, the lock only gives a short warning tone Different acoustic signals inform about battery, activation and alarm status