Sharp PG-D50X3D. Projector brightness: 5000 ANSI lumens, Aspect ratio: 4:3, 16:9, Projection technology: DLP. Service life of lamp: 2000 h, Lamp power: 375 W, Service life of lamp (economic mode): 2500 h. Focus: Manual, Focal length range (f-f): 21 - 24.2 mm. Vertical scan range: 45 - 85 Hz, Horizontal scan range: 15 - 110 kHz, Dot clock scanning frequency: 170 MHz. Analog signal format system: M, NTSC 3.58