3X(6-In-1 Multifunctional USB to UART Serial Port Module USB TTL 485 232 9805
Small size: The circuit board is small in size, less than the size of a USB flash drive, and only occupies the width of a USB port. 3X(Fully supports Win8, Win7, WinXp, Win2K, WinCE, Linux, systems, 32-bit and 64-bit systems. ).