The Epson PowerLite 77c delivers presentations that are sure to impress with 2200 lumens, XGA resolution and high-aperture Epson 3LCD technology ™ all from a 6 lb projector built to go wherever business takes you. The smart choice for any office, it even includes an energy-efficient E-TORL™ lamp that lasts up to 4000 hours. Get right to it with Instant On (5-second startup) and auto keystone adjustments. Then, take control of your presentation with the convenient A/V Mute Slide. Just slide it over to instantly shut off images and sound. That way, your audience can focus on you. After you™ve completed your presentation, shut down quickly using the Instant Off© function, and head off to that next important meeting.