2PCS USB To RS232 TTL UART PL2303HX Converter USB to COM Cable Adapter Module
1.Built-in TTL COM PC-PL2303HX Chip. Standard USB type A male and TTL 4 pin connector. Black cable—–GND. Green cable—–TXD. White cable—–RXD. Red cable ——-VCC. Cable length:about 900 mm.