Benq MP772 ST. Projector brightness: 2500 ANSI lumens, Aspect ratio: 4:3, 16:9, Projection technology: DLP. Service life of lamp: 3000 h, Lamp power: 210 W, Service life of lamp (economic mode): 4000 h. Focal length range (f-f): 0 - 6.9 mm. Vertical scan range: 48 - 86 Hz, Horizontal scan range: 31 - 93 kHz. Analog signal format system: NTSC, PAL, SECAM