BenQ EP7230 Specifications (a) optical parameters Product Type: Business Projector Projection Technology: DLP display chip: Texas Instruments Digital Light Processing DLP projection technology Projector Features: Interactive Brightness: 3000 lumens Contrast Ratio: 11000: 1 Standard Resolution: XGA (1024 * 768) Maximum resolution: 1600 * 1200 lamp power: 196W Lamp Life: Normal mode: 4500 hours, Economy mode: 6000 hours, intelligent power-saving mode: 6500 hours (two) projection parameters Zoom Ratio: 1.1: 1 aperture Range: F = 2.56-2.8 actual focal length: f = 21-23.1mm projection ratio: 1.86-2.04 (50 inches @ 2M) Projection Size: 35-300 inches Screen ratio: 4: 3 Number of colors: 10.7 billion colors Keystone: Vertical: ± 40 degrees of the color wheel: 6-seg RGBYCW 2X Scanning Frequency: Horizontal: 31K-102KHZ Vertical: 23-120Hz Computer Compatibility: 480i, 480p, 576i, 576p, 720p, 1080i, 1080p Video Compatibility: NTSC, PAL, SECAM speakers: 10W (three) interface parameters input terminals: 2 × D-sub 15 pin 1 × VIdeo (RCA) 1 × S-Video Input (Mini DIN 4pin) 1 × Audio Input (Mini Jack) Output Terminal: 1 × VGA output D-sub 15 pin 1 × audio output (Mini Jack) control terminals: 1 × USB (Type Mini B) 1 × RS232 (four) Electrical Specifications: Total power: 260W, Standby power: <0.5W Power Performance : AC100-240V, 50 / 60Hz Product Noise: Normal mode: 33dB, economic model: 28dB (five) other parameters: Size: 283 × 95 × 222mm Weight: 1.8kg Other features: intelligent power-saving BrilliantColor technology VIDI OSD Language Win8 authentication support 3D (DLP link, PC + Video) 3D (HDMI1.4a standard mandatory 3D format) support 3DTV play (nVidia) 3D comb filter 3D Color Management (six) Environmental parameters: Operating temperature: 0 ℃ -40 ℃ Operating Humidity: 20-80% humidity (non-condensing) Storage temperature: -10 ℃ -60 ℃ Storage Humidity: 10-90% humidity (non-condensing) (seven) Accessories: Packing List: BenQ EP7230 x1 x1 Quick Start Guide VGA Cable Manual CD x1 x1 x1 Power Cord Remote Control & Battery x1