Features: Multifunctional switching: The USB-to-9-hole RS2303 serial port line is equipped with PL2303 chip, which realizes the quick connection between USB and RS232 serial port and facilitates data transmission. Stable transmission: adopt high-quality PL2303 chip to ensure stable and reliable data transmission and avoid data loss and interferences. Strong compatibility: suitable for all kind of operating systems, providing wide compatibility to meet the needs of different users. Simple connection: Connect computers and other RS232 serial port devices through USB interfaces, without complicated installation steps. Transmission: supports fast data transmission, and is suitable for application scenario requiring high efficiency and stable transmission. Specifications: Component:ABS Length:Approx.2m/78.74inch Package Includes: 1Pc Serial Cable note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.