Optoma EH1020. Projector brightness: 3000 ANSI lumens, Aspect ratio: 4:3, 16:9, 16:10, Projection technology: DLP. Service life of lamp: 3000 h, Service life of lamp (economic mode): 4000 h. Focal length range (f-f): 22.41 - 26.82 mm, Throw ratio: 1.5 - 1.8:1. Vertical scan range: 25 - 85 Hz, Horizontal scan range: 15 - 91 kHz. Analog signal format system: PAL, NTSC, SECAM, HD