Features: Adds two 9-pin RS-232 serial ports to PCIe-enabled desktop computers, each port supports data transfer rates up to 250Kbps, compatible with PCI Express 2.0 Gen 1. Functions as either a standard RS-232 port or with 5V or 12V power output for devices requiring power (like handheld scanners, desktop scanners, POS displays, and many more). Configurable via jumpers. Single-lane PCI Express End-point Controller with integrated PHY; Full serial modem control with hardware and software flow control; Supports 5, 6, 7, 8, and 9-bit serial formats, and Even, Odd, None, Space, and Mark parity; On-chip 256-byte FIFO buffers in transmit and receive path for each serial port. Supports PCI Bus Power Management Interface Specification Revision 1.2; Dual profile design installs in both full-size and low-profile system chassis with the included mounting brackets; Installs in any PCI Express slot of any lane width. Perfect solution for connecting to POS systems, industrial test and control equipment, security systems, logistics management equipment, printers, scanners, etc. Specifications: Material: plastic Size: approx. 30x15cm/11.81x5.91in Color: green Note: No retail package. Please allow 0-1cm error due to manual measurement. Please make sure you do not mind before bidding. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1PC x Serial Adapter