NEC WT610, 2000 ANSI lumens, DLP, XGA (1024x768), 3500:1, 40 - 100", 16.78 million colors NEC WT610. Projector brightness: 2000 ANSI lumens, Projection technology: DLP, Projector native resolution: XGA (1024x768). Light source type: Lamp, Lamp power: 275 W. Serial interface type: RS-232. Noise level: 37 dB, Dot clock scanning frequency: 135 MHz, Certification: UL 1950 FCC Class B. RMS rated power: 1 W https://www.pcmag.com/archive/nec-wt610-158692 The NEC WT610 is a big, expensive projector, but it projects large, bright images from short distances. It also offers maximu Specs: Engine Type: DLP, Type: Business