Benq LW61ST. Projector brightness: 2000 ANSI lumens, Aspect ratio: 16:10, Projection technology: DLP. Service life of lamp: 10000 h, Service life of lamp (economic mode): 20000 h. Focal length range (f-f): 6.95 mm, Offset: 110 %, Throw ratio: 0.49 - 0.91:1. Vertical scan range: 23 - 120 Hz, Horizontal scan range: 31 - 102 kHz. Analog signal format system: NTSC, PAL, SECAM, Supported graphics resolutions: 1280 x 768 (WXGA), 1600 x 1200 (UXGA), 640 x 480 (VGA), Supported video modes: 1080i, 1080p, 480i, 480p, 576i, 576p, 720p