Optoma EW675UTis. Projector brightness: 3200 ANSI lumens, Aspect ratio: 16:10, Projection technology: DLP. Service life of lamp: 2500 h, Service life of lamp (economic mode): 3000 h. Focal length range (f-f): 4.415 mm, Throw ratio: 0.3026:1. Vertical scan range: 25 - 85 Hz, Horizontal scan range: 15 - 91 kHz. Supported video modes: 1080i, 480i, 480p, 576i, 576p, 720p