Features: Support devices with RS485 interface: surveillance cameras video capture device fingerprint attendance machine PBX CNC machine microcontroller etc. Specifications: Standard: USB2.0 standard backward compatible in line with the standard RS485 Direction control: the use of automatic data flow control auto distinguish and control data transfer direction Baud rate:300-9216000bps automatically detecting the serial signal data rate Load capacity: support multipoint each converter allows RS485 interface device to connect 32 Interface Protection: TVS tube protection USB self-recovery protection Support Windows98/ME/2000/XP/WIN7/Vista Linux Mac Color: green Size: 75*18*14mm Net weight: 15 g Package Include: 1* USB to TTL/RS485 Converter Adapter Module