Description: 【Versatile Compatibility】: This wireless automotive circuit tester(range3-28v) is designed to work with 6V, 12V, and 24V systems, making it an essential tool for diagnosing and repairing a wide range of vehicle electrical circuits 【Material】: Crafted from PP, this test light ensures sturdy and longevity, providing reliable performance in various automotive environments 【Compact Design】: With a length of just 16.8cm, this circuit tester is compact and easy to handle, allowing for convenient use in tight within your vehicle's electrical system 【Wireless Functionality】: Enjoy the convenience of wireless operation with this automotive test light, eliminating the need for cumbersome wires and enhancing ease of use during diagnostics 【Complete Package】: The package includes piece of the UN-200 automotive circuit tester, ensuring you have everything you need to start diagnosing your vehicle's electrical issues right away Specification: Material:PP Size Chart: 16.8cm/6.61inch Package Includes: 1 Wireless Test Pen Circuit Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.