Vivitek D555WH. Projector brightness: 3000 ANSI lumens, Projection technology: DLP, Projector native resolution: WUXGA (1920x1200). Service life of lamp: 5000 h, Bulb power: 190 W, Service life of lamp (economic mode): 10000 h. Focal length range (f-f): 21.8 - 24 mm, Aperture range (F-F): 2.52 - 2.73, Offset: 114%. Analog signal format system: NTSC,NTSC 3.58,NTSC 4.43,PAL,PAL B,PAL D,PAL G,PAL H,PAL I,PAL M,PAL N,SECAM,SECAM B,SECAM D,SECAM..., Supported graphics resolutions: 1024 x 768 (XGA),1920 x 1200 (WUXGA), Supported video modes: 480i,480p,576i,576p,720p,1080i,1080p. Noise level: 33 dB, Noise level (economic mode): 30 dB