A:AnswerIt has a rectangular base that's about 6"x 9" and that attaches to the TV itself. The only way to keep any TV from being tipped by an active child is to anchor it to a wall with a fixed TV wall mount like the great one by Insignia. You need cable or internet to use this TV as it only comes with a Roku remote which doesn't have a regular channel selector.
A:AnswerThe username and password is what the campus use to get wifi he would need to retrieve it from them. We had to do the same thing with all three tvs in my house.
A:AnswerYes your TV is compatible with the cable from directv there should be an rg-6 cable that goes with the directv box that connects to your TV. You should be all set