Qiilu Car Circuit Tester, Tester Pen Vehicle DC 6V 12V 24V Bulb Voltage Test Pencil Yellow

Long service life: 12 V witness lamp adopts a two-storey light lamp, which is not easily heated and damaged after a long use Needle design fixed: the fixed needle design prevents the needle from falling and folding Safe to use: safe and easy to use, there is no heat in operation. The spected steel probe captures in the fuse boxes or drill the insulation to contact the wire, so you can protect your hands with harmful materials. Spiral wire for easy storage ------- 2-12V AC and 24V DC continuity test in electrical and electrical systems for electrical and electrical equipment for cut, earth or short circuit. Quickly check your vehicle's headlights, taillights, glare signal circuits, faulty outlets, connections, fuses, cable breaks and more. Planned use: long probe with crocodile clip to test safety, grab the tight places and drill the insulation. Check connections and points of sale and quickly find the short circuits. Detect short circuits and wires in the wires. Check voltage regulators, fuses, switches, fittings and dealers