- Easy to use: the car circuit tester features a clear control panel and simple buttons for quick identification of circuit interference, fuse status, and circuit tests. - Robust construction: reinforced spring cable and clip are built from reliable material to deliver long lasting performance and wear resistance. - Digital display: a digital LCD with backlight shows key information clearly. reading is easy with the backlight, including numbers, car test status, and test light status. - Durability and reliability: manufactured with high quality ABS material to enhance durability and longevity of this digital light tester, low voltage tester, and light circuit tester. Use scenarios - In vehicle maintenance, quickly verify fuse status and test circuit continuity during repairs or installations. - When troubleshooting electrical faults, identify circuit interference and test car circuits and test lights to pinpoint issues. - In workshop settings, perform low voltage checks and light circuit testing to ensure electrical systems are functioning properly.