General description This 4Pcs Test Light is designed for checking circuits, fuses, switches, and wiring in various low-voltage systems such as automobiles, trailers, boats, and motorcycles. It features a sharp steel probe that easily pierces wire insulation for effective circuit testing. Technical specifications Voltage range: 6V to 24V Material: Plastic handle with chrome-plated hardened and tempered steel probe Color: Red Measurement allowed error: +/- 1-3 cm Usage Connect the alligator clip to ground. Use the probe to test the circuit. If the indicator light is on, there is electricity. The light in the handle turns on when the circuit connection is complete. Other information Package Contents: 4 X Circuit Tester Note: Light reflection and different displays may cause the color of the item to differ slightly from the real thing.