By the way, if you like our store, Please add our store to your Favorite Stores, You can get our New arrival and Discount information in time! Description: 100% Brand new and high quality Built-in TTL COM PC-PL2303HX Chip Standard USB type A male and TTL 4 pin connector Simple and Easy way to give USB support to your designs Available for Linux, for Mac, for WinCE and for Windows (XP, 2003), for Vista Win 7 Black cable-----GND Green cable-----TXD White cable-----RXD Red cable -------VCC Cable length:about 1m Net weight:28.5 g Color:Black Specifications: Built-in TTL COM PC-PL2303HX Chip Standard USB type A male and TTL 4 pin connector Simple and Easy way to give USB support to your designs Available for Linux, for Mac, for WinCE and for Windows (XP, 2003), for Vista Win 7 Cable length:about 1m Net weight:28.5 g Color:Black Package Included: 1 x USB To RS232 TTL UART PL2303HX Auto Converter USB to COM Module Cable Wire Notes: Real color may slightly different from pictures due to computer screens, resolution, brightness, contrast etc. If you have any question, please contact us before leave negative feedback, we will try our best to serve you, thank you for your understanding! HOPE YOU HAVE A NICE SHOPPING!