BenQ MX825STH 3500 Lumens for Interactive ClassroomUncompromised High Brightness MX825STH 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 on during classes for note taking and interactive collaboration. Crisp Readability via High Contrast Ratio Ideal for text, numbers, and tables widely used in