USB power has over current protection, using 500MA self-restore fuse.
RXD/TXD transceiver communication indicator.
Please download the driver and files at link:
This adapter is not genuine FTDI chip because it's based on so cheap a price, so it will be automatically bricked by the latest FTDI drivers in Windows.The fix is to ensure that you use the older version of the FTDI drivers (2.8.3) on windows or use only with Linux or OS X. If you've already bricked it, please follow these instructions at below link (requires a Debian based Linux