1. Data Cable Tester Board for rapid detection of faulty cables; 2. Compact and portable design enables quick testing-red light illuminates when cable is functional, remains off when faulty;3. Intuitive operation delivers efficient cable testing with instant results; 4. Power supply compatibility: Connects to 5V power source, computer, or USB port;5. Supports testing for Lightning/Type-C/Micro/USB cablesOperating Instructions:1. Insert the cable to be tested into the corresponding output port on the charger.2. Insert the cable into the corresponding input port on the mobile phone.3. Use a Type-C charging cable to connect to a power source and supply power to the board.4. Type-C to Lightning Cable Test: Indicator light test for Type-C to Lightning cable (blue light indicates normal cable function; no light indicates cable malfunction).Color: BlackMaterial: plasticPackage Contents:1*Multi-Function Cable Testing ModuleOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.