Screen series Electric projection screen(Motorized projection screen) series Outer casing Factory Default:Pearl White Square outer casing.(Black and Octagon outer casing can be optional) Fabric material Qualified Matte White,HD Fabric,High Gain Glass Beaded,HD Fiber Glass. Gain 1.1-2.3 Viewing angle 150° Product Features ◆ Adopt unique square outer casing,easy to install in the ceiling and on the wall,simple and elegant; ◆ Adopt the environmental materials,no odor and healthy; ◆ Adopt silent synchronous motor(Silent tubular motor can be optional),the noise is less than 45DB,supplying a more quite environment; ◆ Adopt Unique HD materials,Color reduction effect is perfect,give you high definition display; ◆ Standard quadrilateral black border processing, effectively absorb radiation light projector; ◆ Support 3D and 4K ultra-precision imaging,Enjoy the incomparable lifelike image quality excellence; ◆ Widely used in home,classroom,meeting room and commercial use,etc. ◆ RF/IR remote control are optional to control its up and down; ◆ Large viewing angle. Size From 60"-400",format 1:1,4:3,16:9,16:10,2.35:1. etc.;