Vivitek D820MS. Projector brightness: 2600 ANSI lumens, Aspect ratio: 16:9, 4:3, Projection technology: DLP. Service life of lamp: 3000 h, Lamp power: 180 W, Service life of lamp (economic mode): 4000 h. Focus: Manual, Focal length range (f-f): 21.8 - 24 mm, Aperture range (F-F): 2.52 - 2.73. Vertical scan range: 43 - 87 Hz, Horizontal scan range: 15.3 - 91.4 kHz. Analog signal format system: NTSC, NTSC 4.43, PAL, PAL 60, PAL B, PAL D, PAL G, PAL H, PAL I, PAL M, PAL N, SECAM, Supported video modes: 1080i, 480i, 480p, 576i, 720p