USB TO RS232 SERIAL - 5ft length serial adapter cable allows connection of legacy DB-9 serial communications devices to a modern computer with USB. LED INDICATORS - Easily check the status of the RS-232 host to device link with a full LED dual color display to enable fast and easy connection testing. COMPATIBILITY - Supported OS platforms are Windows 7, 8, 10, and 11 as well as Linux and MacOS 10.X. WHY Gearmo? Your Trusted Partner based in the USA, Providing Advanced Engineering, Highly Reliable and Superior Built Products to handle the most demanding industries for over 20 years. Reach out to us for CAD, Mechanical Drawings and, Data Sheets.