Full Product Specifications: Click to view Projection Method: Ceiling Projection Method: Rear Projection Method: Front 3D Type: 3D Ready Overview Projection System: Single Chip DLP LVDS Native Resolution: SVGA (800 x 600) Brightness (ANSI Lumens Max.): 3,200 Contrast Ratio: 2,200 : 1 Typical (Full On / Full Off) High Contrast Mode: 10,000 : 1 Native Resolution: SVGA (800 x 600) Quick Shutdown: Yes Aspect Ratio: 4:3 User-Replaceable Lamp: Top-loading Projector Lens: F-Stop: F/2.41~2.55 Focal length, f = 21.8~24mm Lens Offset: 115 ±5% Throw Ratio: 1.95 (wide) - 2.15 (tele) Projection Distance: 1.2m ~ 10.0m (3.94 ft ~ 32.81 ft) Hsync Frequency: 15K-100KHz Vsync Frequency: 50-85Hz Keystone Adjustment: Manual Vertical (±40°) Tilt: Front tilt adjustment wheel (-5°~ 5°) Screen Size - Diagonal: 27.5" ~ 252.4" Colors: 1.07 billion 3D-Capable: Yes Mounting Options: Front / Rear / Ceiling / Tabletop Brand Dell SKU DE262EL1A661GNAFAMZ-155509 Model P318s