🔥Heavy Duty 5-90V Digital LED Circuit Tester Color:Red wire spring wire digital display (5-90V) Always de-energize circuits before testing

Always de-energize circuits before testing when possible for maximum safety

rinse off dust before use

minimizing the risk of drops and increasing the efficiency of your fastening tasks

2 * Sockets (17mm & 21mm)

🔥Heavy Duty 5-90V Digital LED Circuit Tester Color:Red wire spring wire digital display (5-90V) Always de-energize circuits before testingExpanded Voltage Capacity & Extensive Use: Electrical tester features a wider testing range of 5V 120V, quickly tests car battery voltage and diagnoses issues, including alternator tester functionality for car truck SUV boat charging systems. Also to inspect circuit tester integrity of headlights, taillights, fuse connections and more. LED Digital Display: Automotive circuit tester with LED digital voltage display for accurate volt readouts. Compared