for fault diagnosis of 12-V battery and charging systems
easy to use, just connect and check indicator lights
LED’s are electronically controlled
3 LEDs for battery test: LED red = battery empty or defective / LED yellow = battery OK / LED green = battery very good
3 more LEDs for alternator test: LED green = charging system OK / LED yellow = charging system OK (maximum charging voltage) / LED red = charging system is not OK (it may damage the battery and other parts of the electric system)
Technical data

CE StandardYes
Packaging suitable for wall hangingYes