Vivitek DH765Z-UST Vivitek DH765Z-UST 4000-Lumen Full HD Ultra Short-Throw Projector Native Resolution 1080p (1920x1080) Brightness 4000 ANSI Lumens Contrast Ratio 12,000:1 Max. Supported Resolution WUXGA (1920 x 1200) @60Hz Native Aspect Ratio 16:9 Lamp Life and Type Lamp free design. Laser light source last up to 20,000 hours Display Type Single chip DLP® Technology by Texas Instruments Chip Size 0.65” DMD Throw Ratio 0.23:1 Image Size (Diagonal) 80" - 150" Projection Distance 4 - 41 cm (from the screen to the projector) Zoom Ratio Fixed 1x Offset 119% from the lens center; 126% from the bottom of the projector Keystone Correction Vertical: +/- 30°; Horizontal: +/- 30° Speakers 10W