No need to install drivers, portable, flexible, plug and play. Low power, no power adapter. (Not for set top box and ps4) HDMI input- output VGA (will not work in reverse direction) with aux / audio – color black (remember to duplicate output on laptop to get result on 2 screen at a time) product are retailed by Priefy itself. Priefy hasn\’t assigned the rights to retail it\’s products to anyone. All other sellers using Priefy name are doing so without prior permission and will not be liable for the low or substandard quality of those products, also service and quality assurances will not be applicable on those products.