Gearmo 36 inch USB to Serial RS232 FTDI Professional Adapter

* Zero delay automatic transmission. Built-in static and surge protection up to 600W * 3 feet (1 meter) cable. RS232 output power: -5.7 to +5.7VDC. USB 1.1 and 2.0 compliant * Automatic send data control. Auto detection of data speed * Indication LED’s for Power, TX and RX. No power supply needed, plug and play * Supported OS platforms are Windows 7, 8 and 10 as well as Linux and MacOS 10.X