This is a remote mount power supply designed to power an ipad or similar device. I upgraded the right side of my panel with a second G3X touch and no longer need this power supply or the ipad mount (free, see other ad). This supplies 2.7 amps at 5 volts which is more than enough for the ipad mini I was using. It is Guardian P/N 200-201B, weighs 2 oz, and will work with 14 or 28 volt systems. It measures just under 2" by 2" not including the connector, I will include the connector I was using with an apple style plug. Asking $50 plus shipping, current cost from Guardian is about $250 plus the cable. It is pretty sturdy all metal construction so it could probably ship in a padded envelope via USPS for $10.80 or medium flat rate box for just under $20 or other shipping of your choice.
