Comprehensive Diagnostic Tool: This versatile voltage tester is designed for automotive electrical systems, supporting 6V, 12V, and 24V DC. It's an essential tool for troubleshooting and diagnosing electrical issues in cars, trucks, and motorcycles. Accurate and Easy-to-Read: Features a digital display that provides clear and precise voltage readings, ensuring accurate diagnostics. The long probe design allows for easy access to confined spaces, making your work hassle-free. Built-in Light Bulb: Comes equipped with a light bulb at the probe's tip, enhancing visibility in dark areas and ensuring accurate pinpointing of issues. and Reliable: Constructed with high-quality materials, this test pen is built to withstand tough automotive environments. Its compact design makes it easy to carry and store in your tool kit. Color: Silver & Red Material: Metal+Plastic Package Contents: 1 set x Multi functional lamp testing pen Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.