6/12 / 24V battery tester with result indicated by the traffic light LED. Fast current detection up to 80A without having to remove the fuses. Power adapter for series current test. 12 / 24V starting test, normal and intelligent alternator test for checking the vehicle charging system. Measurement of minimum and maximum voltages, frequency and duty cycle of the sensors. Continuity and frequency test to detect false contacts. In sturdy carrying case with compartment for cables.