Optoma DS316L. Projector brightness: 2700 ANSI lumens, Aspect ratio: 4:3, 16:9, Projection technology: DLP. Service life of lamp: 3000 h, Lamp power: 185 W, Service life of lamp (economic mode): 4000 h. Focal length range (f-f): 21.8 - 24 mm, Throw ratio: 1.95 - 2.15:1, Digital zoom: 1.1 x. Vertical scan range: 24 - 85 Hz, Horizontal scan range: 15.3 - 91.1 kHz. RMS rated power: 2 W