1、Easy Connection: USB to RS422 485 serial converter makes it easy to connect USB and serial devices, giving serial devices plug and play and hot swappable functions. 2、Scope of Application: USB to serial cable adapter is suitable for car computers with RS422 485 interface, CNC machine tools, industrial instruments, meters, testing equipment monitoring systems, automation control equipment, mini phones, digital cameras, MODEM, ISDN terminal adapters to connect with laptops or pc. 3、Support System: Support multiple operating system platforms, support for Win95/98/98se/ME/2000/XP/NT3.5 or more, for Linux, for OS X system. 4、Plug and Play: USB2.0, downward compatible with USB1.1, plug and play after driver installation, no power required. 5、Plastic and Metal: Serial adapter is made of plastic and metal, allowing you to easily connect RS485 or RS422 devices directly to your laptop's USB port. Item Type: USB to RS485 Serial Adapter Material: Plastic, Metal USB Specification: USB2.0, Downward and USB1.1 Operating System: Support for Win95/98/98se/ME/2000/XP/NT3.5 or above, for Linux, for OS X System Operating Temperature: 0 to 70°C (32 to 158°F), 5 to 95% RH Storage Temperature: -20 to 85°C (-4 to 185°F), 5 to 95% RH 1 x USB to RS485 Serial Adapter 1 x 6 Position Terminal Board 1 x Driver CD