Benq MX660. Projector brightness: 3200 ANSI lumens, Aspect ratio: 4:3, 16:9, Projection technology: DLP. Service life of lamp: 3500 h, Lamp power: 230 W, Service life of lamp (economic mode): 5000 h. Focal length range (f-f): 21 - 23.1 mm, Throw ratio: 1.86 - 2.04:1, Digital zoom: 2 x. Vertical scan range: 23 - 120 Hz, Horizontal scan range: 31 - 99 kHz. Video formats supported: 480i, 480p, 576i, 576p, 720p, 1080i, 1080p