6V 12V 24V Automotive Car Circuit Tester Electrical Probe Light Bulb Test Pen UK. Type: Digital Electric Circuit Tester. --Wide Application: Professional automotive circuit tester/circuit test light with 6V-12V-24V DC testing range, ideal for checking various vehicles' electrical circuits, quickly checking automotive headlights, taillights, turn signal circuits, faulty sockets, fuse connections, and other wirings and circuits.
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