From a horizon to horizon slit to a full horizon to horizon view, you will   have full control of how much sky you wish to see with the RightDome. • The structure is very light weight. The assembled dome weighs less than 80 lbs, and can easily be set in place by two people. • The Dome's opening and orientation are easily set to compensate for disruptive local elements such as annoying lights and prevailing breezes. • The dome material, polycarbonate sheet, is virtually unbreakable, has an impact resistance greater than tempered glass and carries a ten year limited manufacturer's warranty.