piece Diagnostic tool 6V 12V 24V copper voltage test pen car lamp circuit tester lamp detector projector system test best

100% brand new and high quality. The unique, long-life light tube produces no heat, ensuring comfort and safety. The innovative flexible conductor wire has good tensile strength. Small size, compact structure, equipped with a clip, convenient to carry and use. Test range: 6V-12V-24V. Material: Copper. Tester length: approx. 10.7cm. Cable length (unstretched): approx. 62cm