WHOLESALE 6 to 12 VOLT CIRCUIT TESTER Light in handle glows when circuit connection is complete. Tests fuses, ligtht sockets, and locates short circuits. Complete with alligator clip and grounding wire (connects to handle). Amber tint lens/handle reduces daylight glare. Helps find broken and live wires. Sharp steel tip probeeasily wire insulation to check circuit continuity. Ideal for cars, trucks, SUV's, motorcycles, RV's, and small engines.