. Designed to help ensure a fail-proof projector installation Ben Q has implemented extra help into its wall mount design. This installer-friendly ultra short-throw projector wall mount features an installation chart & a measuring ruler to help you find the most suitable projector-screen alignment & image position for your classroom. Offering lower TCO & optimized projection through dynamic power saving uncompromised brightness exquisite picture quality & optimized lamp life – Smart Eco Technology has perfected what a DLP projector can do. With this innovation schools & corporates are able to save up to 70% of lamp power consumption & lower maintenance costs through dynamic power saving features while bringing an ultra-vivid viewing experience into every presentation. The Eco Blank Mode which lowers power consumption up to 70% can be used to blank the projection screen when the projector is not in use in turn eliminating distractions in class & redirecting students focuses back on the teacher. The No Source Detected Mode which can be set to enter the Eco Blank Mode after three minutes of inactivity or to the Auto Power Off Mode after no display source has been detected for over 30 minutes can keep the projector from running with full lighting power Features XGA DLP Projector Brightness 3000 lumens Contrast ratio 13000 1zoom ratio Fixlamp type 190 W Display colour 1.07 billion colours..