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ViewSonic PA503W
| Projection Technology | DLP |
| Native Resolution | WXGA (1280 × 800) |
| Maximum Supported Resolution | Full HD 1920 × 1080 (input) |
| Brightness | 4,000 ANSI Lumens |
| Contrast Ratio | 22,000:1 |
| Aspect Ratio | 16:10 (Native) |
| Light Source | 200W UHP Lamp |
| Lamp Life | Up to 6,000 hrs (Normal), 15,000 hrs (SuperEco) |
| Optical Zoom | 1.1× |
| Video Inputs | 1 × HDMI 1.4, 2 × VGA, 1 × Composite Video |
| Audio | 3.5 mm Audio In, 3.5 mm Audio Out |
| Control Ports | RS-232, Mini USB (Service) |