USB2.0 to RS-485/RS422 industrial grade protection high-speed converter Adopt British FTDI main chip; fully compatible with USB (Universal Serial Bus) Rev 2.0 Support RS-485/422 interface, with 400W protection RS-422/485 interface DB9 pin connector Data (TXD) automatic flow control, zero delay design<br><br>Data fer rate above 2Mbps Support automatic handshake protocol Support remote wake-up and power management The USB bus takes power directly without external power supply. Support Windows95/98/2000/XP/VISTA/WIN7/WIN8/WIN10/NT.IMAG Colour:gray Material:plastic Size:communication serial line:94cm<br><br>Package Contents: 1 x USB to RS485/RS422/RS232 communication serial line 1 x CD<br><br>Only the above package content, other products are not included. Note: Light shooting 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.