⭐️ Brand New ⭐️ Car Electrical Circuit Tester ⚠️ Opened once for photography, but the product is brand new. There is some crushing of the box that occurred during delivery, but it does not affect the product. (Please refer to photos 11 and 12) 【With LED Light】 Equipped with an energy-saving LED lamp that is easy to see with excellent visibility. Using LED lights, you can easily determine the presence and polarity of the car's voltage with light. 【Multi-functional】 This is a car electrical circuit tester that can easily test whether there is voltage in the wiring. It is the perfect electrical circuit tester for short circuits, open circuits, circuit polarity determination, electrical battery performance, charging system performance, ignition system performance, and engine performance in automotive circuits. 【Good Quality】 Made of high-quality materials. The handle is an ABS insulated handle, which is durable and safe. The ultra-tip test needle allows for accurate testing and is easy to use. 【Please Note】 The power supply will light up with a red LED, and the ground will light up with a green LED. 【Applicable Range】 Applicable to car models such as motorcycles, light cars, and trucks. Easy to operate and widely applicable.