interactive floor touch screen.Projection technology: DLP display chip: 0.65 -inch DMD * 1 projection method: reflective resolution:WXGA ( 1280 * 800 ) screen aspect ratio:16:10 aspect ratio support:16: 9 , 4 : 3 , fill screen, match Enter the projection distance (lens-to-screen distance cm ) for projecting an 87 -inch screen :30.5CM transmittance:0.14: 1 weight ( KG ):10 overall dimensions ( CM ):44.2 ?? 26.9 ?? 41.9 lamp power:230w / 190w ( energy saving ) Lamp life:3000 hours / 4000

interactive floor touch screen.Projection technology: DLP display chip: 0.65 -inch DMD * 1 projection method: reflective resolution:WXGA ( 1280 * 800 ) screen aspect ratio:16:10 aspect ratio support:16: 9 , 4 : 3 , fill screen, match Enter the projection distance (lens-to-screen distance cm ) for projecting an 87 -inch screen :30.5CM transmittance:0.14: 1 weight ( KG ):10 overall dimensions ( CM ):44.2 ?? 26.9 ?? 41.9 lamp power:230w / 190w ( energy saving ) Lamp life:3000 hours / 4000 IQTouch K interactive touch screen feature 20-point touch and dual system -- Android 8.0 system and optional OPS Windows 10Pro system. Its 4K UHD resolution facilitates presentations and collaboration. With optional multi-screen casting software, IQClass 6.0 and installation-free IQClass Plus software, IQTouch K Series can help create an interactive and collaborative teaching atmosphere in class.