Introduction: RS485 serial ports are commonly used in work environments for communication between PCs and RS485 devices. This USB-to-RS485 serial cable features a built-in CH340 bus adapter chip, eliminating the need for additional wiring. Simply connect the RS485 device to the computer to achieve communication. It is compatible with for XP/Vista/7/8/10, boasts high stability and strong anti-interference capabilities, and is suitable for various industrial automation, instrumentation, and other RS485 communication applications, as well as driving other industrial sensors, home appliance control systems, and other devices. Technical Specifications: Chip: CH340 Power Supply: 5V Length: 1m Interface Description: Red wire: VCC, Black wire: GND, Green wire: 485-A, White wire: 485-B Supported Systems: For XP/Vista/7/8/10 Color:White Material:Plastic Package Contents: 1 * Serial Cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.