Skywatcher SYNSCAN HC Connect to PC for Upgrade. Length:5m/16ft; Chip:FTDI FT232RL. Compatible with window, linux Mac OS. Window8 / 10, Mac OS does not need to install the driver manually When your laptop/PC is connected to the Internet .The drivers listed above are all available to download for free from FTDI website (www.ftdichip.com). If you have any problems within 180 days, please contact us.