Features: 1300 to 921600bps Communication Rate: USB to RS485 adapter can convert USB signal into balanced differential RS485 signal with stable transmission rate and reliable speed of 300 to 921600bps, transmission distance is about 3937.0ft for RS485 and 16.4ft for USB. 23 LED Indicators: 3 LED indicators on board, easy to check the power and signal transceiver status, support USB to RS485 communication, TVS (transient voltage suppressor) on board, can effectively suppress the surge voltage and transient spike voltage in the circuit, anti static. 3Anti Overcurrent and Overvoltage: On board self recovery fuses and protection diodes ensure stable current and voltage output, anti overcurrent and overvoltage, and improve shock resistance. 4Application: Converter adopts FT232RL and SP485EEN chips to provide better stability and compatibility, built in thunder protection pipe, self recovery fuse, ESD and TVS protection circuit, etc. It is suitable for various industrial control equipment or applications with high communication requirements. 5Multi System Compatibility: RS485 converter supports for OS X, for Linux, for Android, for WinCE, for Windows 10 8.1 8 7 XP and other systems. Package included: 1 x Converter 1 x Data Cable 1 x Screwdriver