Viewsonic PJD5211, 2500 ANSI lumens, DLP, XGA (1024x768), 1800:1, 30 - 300", 43.3 - 444.9" (1.1 - 11.3 m) Viewsonic PJD5211. Projector brightness: 2500 ANSI lumens, Projection technology: DLP, Projector native resolution: XGA (1024x768). Light source type: Lamp, Service life of light source: 3000 h, Service life of light source (economic mode): 4000 h. Focus: Manual. Serial interface type: RS-232. Noise level: 33 dB, Noise level (economic mode): 26 dB, Certification: CB, UL, cUL, FCC (including ICES-003), CE,UL-Argentina, NOM, TUV-GS, GOST-R,SASO, Ukraine, PSB,...