Car Digital Display Circuit Tester Automotive Circuit Tester Test Pen Automobile digital display circuit tester circuit tester pen automotive maintenance test pen automobile circuit tester automobile electric vehicle maintenance tool electric vehicle maintenance tool. Features: Operation is simple and reliable Designed to test circuits and accessories for 3 to 48 V systems Suitable for cars, boats, trailers, vans, caravans, motorbikes, aircraft and snowmobiles. With clear LCD and white backlight, it is easy to read the voltage accurately at night. Stainless steel probe with puncture tip Ergonomic design, easy to use in restricted areas With transparent housing, strong tenacity, not easy to break, can work in high and low temperature environments Explained: Voltage range: 3 to 48V Minimum resolution: 0.1V Accuracy: positive and negative percentage 0.8 + 3 digits Display Product Color: red Product specification: 220*26*26mm Package includes: 1 circuit tester