uxcell&reg; USB to RS232 TTL PL2303HX Auto Converter Module Adapter for arduino Product Name : PL2303HX USB to TTL Converter Module;Connector Voltage : 3.3-5V TotalSize : 51 x 16x 8mm / 2" x 0.63" x 0.31"(L*W*T);Main Material : PCB, Copper, Plastic Color : Green Weight : 6g Package : 1 xPL2303HX USB to TTL Converter Module