Winamoo premium automotive 6-24V DC LED bulb circuit tester 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 LED Test Light Bulb, strictly tested long service life LED test light bulb, 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, clear tester body made with high quality ABS, heavy duty, shatter-proof, durable than normal test light.<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>