to get to the second floor, a toilet lid with motion sensors, and cabinetry descends when needed. almost everything can be controlled by his ipad. >> the lighting, the shade they lower, raise, and even form slats to let in a little light. >> reporter: all of the features cost about $50,000. here though, they're all being donated, along with the home itself to the dominguez family. >> to see him receive the key and to know that we played a little part in that, that's a good feeling. >> the chance to go everywhere inside my house, upstairs, downstairs, every bathroom, every, every room, it's awesome because it doesn't feel like a prison like my house does currently. i feel like i have the freedom to run around the house. >> reporter: so freedom for juan dominguez after he's given so much for ours. this is rob mcmillan for abc news. so tragic. he fell down an embankment, landed on a buried bomb.