Green-utech FTDI chip usb to 5v TTL UART serial cable, connector end, 1.8m, TTL-232R-5V compatible the shipment from China by epacket, the shipment time about 10-14 days from China to USA USB to Serial (TTL level) converter 0.1" pitch, 6-pin connector with the following pinout: RTS, RX, TX, 5V, CTS, GND (RTS is the green cable and GND is black , Brown is CTS,RED is VCC/5V,Orange is TX, Yellow is RX)