This module has a micro processor that monitors the output of the system you choose with a simple 2 wire installation
Single Multi-Color L.E.D. Visual Indicator (Red/Green/Amber)
Know whether your voltage is normal or abnormal - Additionally, you will be notified of serious fault conditions by an attention-getting flash of the L.E.D.
Auto-dimming L.E.D. - reducing night-time glare while riding
Mounts virtually anywhere with included double sided tape
Voltage Range: 6 to 17 VDCAccuracy within 200 milli-volts