[FAST CHARGING] Utilize LED lights for quick testing of all data cables in the memory, with indicator light brightness changes indicating hardware faults ^^ [APPLICABLE MODEL] Suitable for desktop DDR3, DDR4, DDR5UDMM, DDR5RDIMM RAM types for easy diagnostics ^^ [INDICATOR FEATURE] power mode with battery or TYPE C cable, clear indicator lights for charging status ^^ [USING TIPS] Easily identify poor contacts or open circuit faults with indicator light flashes or lack of light ^^ [EASY TO USE] Convenient patch assembly design for desktop and server computers without causing harm