OPTOMA TECHNOLOGY TX779 4500 Lumen XGA DLP Mulitimedia Projector Bright at 4500 ANSI lumens with high contrast ratio of 3000:1 (full on/off) Crestron RoomView for projector management and control via RJ45 connection Presentation-friendly IR remote with USB mouse function and laser pointer Environment-friendly design - consumes &lt;1 watt in standby mode