Features: 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. Specification: Condition: 100% Brand New Item Type: Electrometric Pencil Material: PVC Plastic + Copper Color: Yellow Voltage: 6-12V Size: Approx. 107 * 10mm / 4.21 * 0.39in Packing list: 1 * Electrometric Pencil With Clip Note: 1. Please allow 2-3mm error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.