The meter is a stable performance, safe and reliable auto on-off circuit tester, this article by car batteries, through the two LED indicates the current lines on and off, also can be used to analyze yong is the cathode of the circuit.

Working voltage: 12 v or 24 v
Insulation voltage: biggest 1500 v
Cable length: 3.3 m
Body size: 169 * 8.4 * 8.4 mm