BenQ LW61ST DLP Projector, 1280x800 WXGA Resolution, 80000:1 Contrast Ratio, 2000 ANSI Lumens Brightness, 23 to 120Hz Vertical Scan Rate

The BenQ LW61ST features the BlueCore light engine technology to bring you optimized visual display and energy efficiency. Utilizing SmartEco Advanced Technology, you're able to reduce light source power consumption by up to 90%. It's an economic and environmentally friendly choice for your school. Blurry images can be distracting for students to read and can cause eye strains and fatigue. The BlueCore light engine can dim the light source power up to 90% and still achieve a contrast ratio as high as 80000:1. This allows students to learn with ultra sharp images and text so they can focus their attention on learning.