BenQ MW826STH 3500 Lumens for Interactive ClassroomMW826STH 3500 Lumens for Interactive Classroom 0. 49 Short Throw Ratio SmartEco Power Saving Technology PointWrite Interactive Solution Compatible High Quality Image Uncompromised High Brightness MW826STH produces 3,500 high ANSI lumen brightness and resolution for perfect projection performance with crisp images and sharp text even in bright lecture room. High brightness provides clear content under high ambient lighting, allowing lights to be kept