Promethean Extreme Short Throw. Projector brightness: 2200 ANSI lumens, Aspect ratio: 16:10, Projection technology: DLP. Service life of lamp: 6000 h, Lamp power: 220 W. Focus: Manual, Focal length range (f-f): 2.4 mm. Vertical scan range: 43 - 85 Hz, Horizontal scan range: 15 - 90 kHz. Noise level: 28 dB