Feature:1. This is a USB to RS485 converter, which can be used to control RS485 bus devices such as PTZ PTZ cameras, PLC relays, etc.2. The RS485 bus chip is SP485 industrial grade.3. Wide application range, UART TTL level communication, MCU ARM AVR PIC STM32 etc.4. Using highquality materials, strong and durable, has a long service life5. Support for Windows 98SE, for Windows 7/8/10 , for OS X , for Linux system.Specification:Item Type: USB to RS485 Converter ModuleProduct Description: USB to RS485: This is a USB to RS485 converter, which can be used to control RS485 bus devices such as PTZ PTZ cameras, PLC relays, etc.The RS485 bus chip is SP485 industrial gradeSupport System: for Windows 98SE, for Windows ME, for Windows 2000 SP4, for Windows XP SP2 and above (32 and 64 bit), for Windows Server 2003 (32 and 64 bit), for Windows Server 2008/2008 R2 (32 and 64 bit), for Windows Vista (32 and 64 bit), for Windows 7 (32 and 64 bit), for Windows 8, for Windows 8.1, for Windows 10/OS X/Linux.Package List:1 x Converter Module