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Optoma HD28e
| Display Technology | DLP |
| Native Resolution | Full HD 1920 × 1080 |
| Brightness | 3,800 ANSI Lumens |
| Contrast Ratio | 30,000:1 |
| Aspect Ratio | 16:9 (supports 4:3) |
| Throw Ratio | 1.47–1.62:1 |
| Zoom | 1.1× Manual |
| Projection Size | 28"–301" (0.71–7.65 m) |
| Projection Distance | 1.0–9.8 m |
| Speaker | 1 × 3W built-in |