Support USB to RS485 communication, using two imported , FT232RL and SP485EEN, high-speed communication, stable, reliable and good compatibility.The onboard TVS (transient voltage suppression tube) can effectively suppress the surge voltage and transient voltage in the circuit, and it is anti-thunder and anti-static.The onboard -recovery fuse and protection diode can stable output of current and voltage, prevent overcurrent and overvoltage, and impact resistance.There are 3 LED indicators on board for easy viewing of supply and signal transceiver status.Industrial-grade USB to RS485 converter, using two imported chip solutions FT232RL and SP485EEN, stable communication, suitable for various industrial control equipment or applications with high communication requirements.Communication rate: 300-921600bps interface: USBDevice interface: RS485USB interface: working level: 5VInterface form: USB-A type interfaceInterface protection: 200mA -recovery fuse, ESD electrostatic protectionTransmission distance: about 5 metersInterface form: terminal blockInterface pins: A+, B-, GNDDirection control: hardware automatically distinguishes and controls the direction of data transmissionRS485 interface: interface protection: 600W thunder protection, surge and 15KV electrostatic protection (onboard 120R balance resistance)Transmission distance: about 1200 meters (under low-speed conditions)Transmission mode: -to-many (up to 32 nodes, repeater is recommended for more than 16 nodes)Indicator light: PWR indicator, connected to USB, red light will be on when voltage is detectedTXD transmission indicator, red light when data is sent from the USB portRXD receiving indicator, red light when there is data sent back from the device interfaceTemperature range: -15 Celsius~70 CelsiusHumidity range: 5%RH~95%RHOperating system: , Linux, Android, winCE, Windows10/8.1/8/7/XPColour: blackMaterial: plasticSize: 53x23.5x14.6mmPackage Contents:1 * USB To RS485 Serial ConverterOnly the above package content, other products are not included.Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.