Feature:1. This USB to RS-485 and RS-422 single interface converter is industrial grade, with anti surge and anti-thunder functions.2. This product adopts British PL2303 chip, which is very stable with powerful performance.3. It support RS-485 and RS-422 ports, with single interface, it can convert USB to RS-485/RS-422.4. Made of industrial grade high-quality material, it has exquisite workmanship and long product life.5. Small in size, light in weight, the converter is easy to carry. Simple and low-key appearance let you fondle admiringly.Specification:Item Type: USB to RS-485/RS-422 ConverterProduct Name: USB to RS-485, RS-422Length: Approx. 20cm/7.9inchColor: WhiteData Transmission Speed: 120MB/sMaster Control: PL2303Package List:1 x Converter1 x Driver Disk