Motorized drop down screen and wall. Easy installation screen as you just have to fix the structure that keeps the funky inside screen. It is a kind of very convenient screen for meeting rooms, schools and the like, they allow pick the screen in seconds, leaving the wall for other uses (eg a blackboard) or simply decorative issues. Model that connects to red electric and folding and unfolding of the screen is made of is powered. Models with metallic profiles of black and white.