[Multi-Functional Measurement]: Our test pens can be used to test AC and DC voltages, resistance, and data hold. If you encounter fog lights do not light up, the horn does not sound, the car does not , the air conditioner does not work and so on you can use it to test easily. [Metal Probe]: The probe end of this test light is made of high quality metal, providing better conductivity than ordinary test lights. The probe can easily pierce wires or connect properly with fuses in the fuse panel or for use in tight areas that are difficult to reach. [LCD & LED]: This measuring light features a high definition LCD backlit screen. Not only that, it also comes with LED illumination, which can be turned on by long press on the bright button. With the double , you can still see clearly even in dim light. [Convenient Design]: It uses a tough and flexible wire, and its back cover is equipped with a removable battery compartment, allowing you to easily replace the battery. In addition, it requires one AAA battery, which needs to be purchased separately., Manufacturer: Akfldms