TXR774 MMPROJ XGA DLP 4300LUMEN 2500:1 3YR WTY With a brightness level of 4300 lumens, as well as a DLP chipset and BrilliantColor technologies from Texas Instruments, the Optoma TXR774 delivers exceptionally bright and crisp images. The Optoma TXR774 features networking options and extensive connectivity options which make it an ideal projection product for demanding environments. The TXR774 redefines versatility.