Image Native Resolution 800 x 600 Maximum Resolution 1920 x 1200 Standard Mode Brightness Up to 3600 lm Native Aspect Ratio 4:3 Compatible Aspect Ratio 16:9 Contrast Ratio 20,000:1 Throw Ratio 1.94 to 2.16 (51"@78.74") Digital Zoom 2x Vertical Keystone Correction -40°/+40° Maximum Vertical Sync 120 Hz Maximum Horizontal Sync 100 kHz Minimum Vertical Sync 24 Hz Minimum Horizontal Sync 15 kHz Color Supported 1.07 Billion Colors (30-bit) Projection Lens Minimum Lens Aperture F/2.41 Maximum Lens Aperture F/2.53 Minimum Focal Length 21.85 mm Maximum Focal Length 24.01 mm Minimum Diagonal Image Size 23" Maximum Diagonal Image Size 25 ft Minimum Projection Distance 39.37" Maximum Projection Distance 38.71 ft Optical Zoom 1.1x Lamp Lamp Type OSRAM Number of Lamps 1 Lamp Power 203 W Normal Mode Lamp Life 4000 Hour Economy Mode Lamp Life 6000 Hour ExtremeEco Mode Lamp Life 10000 Hour Interfaces/Ports HDMI Yes Number of USB Ports 1 USB Yes Composite Video Yes Number of VGA Inputs 1 VGA In Yes Number Of Audio Inputs 1 Audio Line In Yes Total Number of HDMI Ports 1 Technical Information Projection System DLP Projection Method Ceiling Front Rear Rear Ceiling Video Compatibility EDTV HDTV NTSC PAL SDTV SECAM Computer Compatibility Mac PC Windows PC Audio Number of Speakers 1 Speaker Output Power 3 W Speaker Output Mode Mono Power Description Power Supply 100 V AC~240 V AC Input Voltage 120 V AC 230 V AC Operating Power Consumption 240 W Physical Characteristics Temperature 32°F (0°C) to 104°F (40°C) Humidity 80% Maximum Relative Humidity Weight (Approximate) 5.95 lb Form Factor Ceiling Mountable Height 4.5" Width 12.3" Depth 9.4"