ANCLLO Auto Car Circuit Tester DC 6V 12V 24V Light Bulb Voltage Test Pen Electrical Diagnostic Tool

It adopts bipolar light-emitting lamps, which are not easy to be heated and damaged after long-term use, and are safe to use. The telescopic needle design prevents the needle from falling and bending. Safe and easy to use, no heat during operation. Spiral for easy storage. Used to detect power, ground and find shorts and opens in wires. This circuit tester saves you time and speeds up operation, making it ideal for automotive applications Automotive circuit test pens are widely used in trailers, trucks, motorcycles, airplanes, snowmobiles, etc.