12V Car Circuit Tester Diagnostic Tool for Automotive Electric Systems

1 Support short-circuit and open-circuit test, ignition system test,engine performance test, charging system test, automobile battery performance test, circuit polarity discrimination test. 2 Can detect each fault in the place where the space is narrow and light is weak. 3 It is convenient to use, efficient to detect, easy to operate and has reliable performance. 4 Widely used in trailers, RVs, motorcycles, airplanes, snowmobiles, etc. 5 Light tube not easy to heat and damage, durable and safe to use.

What's in the box
1 x Car Circuit Tester Test Pencil