Test lamp 2pcs, 6V-24V Dc car circuit tester lamp and digital LCD car electric tester auto voltag This probe pen is ideal for checking circuits, fuses, switches and wiring on cars, trailers, boats, motorcycles and other low voltage systems. Connect the alligator clip to ground and test the circuit with the probes. If the light is on, there is power. Handle is made of plastic, hardened and tempered carbon steel probe is chrome plated. Sharp steel probes easily pierce wire insulation to check electrical circuits. A light in the handle glows when the circuit connection is complete. Test a range of circuits from 6V to 24V. Lightweight design, super convenient to carry. Color: Red Material: Plastic Package Contents: 2 X Circuit Tester Only the above package content is included, other products are not included. NOTE: Light reflections and different displays may cause the item color in the pictures to vary slightly from the actual item. Measurements allow +/- 1-3 cm.