WINAMOO premium automotive 6-24V DC dual color LED bulb circuit tester/test light ideal for various vehicles electrical circuits voltage testing, also for automotive battery, battery charging systems, ignition systems, which is a must have tool for any automotive engineer, electronic engineer or circuits DIY.<br><br> <b>Specs and Features:</b><br> 1. 6-24v widely use for circuits&battery voltage test.<br> 2. Quality dual color LED Test Light Bulb, strictly tested long service life, also including 1 pcs replacement bulb to make it serve you faithfully for years.<br> 3. Bidirectional current voltage testing mode, you can attach the alligator clamp either to negative or positive ground. <br> 4. Solid Construction, high quality acetate fiber body, heavy duty, shatter-proof, more durable than normal test lights.<br> 5. Equipped with sharp hard steel probe with protective rubber tip for piercing wires, also for hard to reach tight areas.<br> 6. High quality 135 inch long enough PU spring wire with large size alligator clip for easy one hand operation.<br>