| Specification | ViewSonic PJD7828HDL | WiMiUS K1 |
|---|---|---|
| Properties | ||
| Noise Level, Dba | 35 | |
| Projection Distance, M/ft | 0.8 - 10/1.8 - 32.8 | 1.5-10/4.9-32.8 |
| Projection System | DLP | |
| Projection Screen Size, Inch | 30 - 300 | 50-500 |
| Pixel Number | 480000 | |
| Color Reproduction | 1.07 billion | |
| Throw Ratio Range | 1.15 - 1.5 | |
| Contrast Ratio | 20000:1 | 10000:1 |
| Power Consumption, W | 300 | 80 |
| Brightness, Lumens | 3200 | |
| Input Lag, Ms | 16 | |
| Aspect Ratio | 16:9 | 16:9 |
| Lamp | ||
| Lamp Type, W | 210 | |
| Lamp Life (eco Mode), Hours | 10000 | |
| Lamp Life (normal Mode), Hours | 4000 | 30,000 |
| Connectivity | ||
| Spdif (optical) | ||
| Audio Output (3.5mm) | 1 | 1 |
| Audio Input (3.5mm) | 1 | |
| Usb (service) | 1 | |
| Audio Input (rca) | 1 | |
| Usb | 2 | |
| Composite Video Input (rca) | 1 | |
| 12v Trigger | ||
| Vga Input | 1 | |
| Rs232 (db-9pin) | 1 | |
| Mhl | ||
| Ethernet (rj45) | ||
| Audio | ||
| Speaker Power, W | 10 | |
| Integrated Speakers | ||
| Sound Type | mono | |
| Lens | ||
| Zoom Ratio | 1.1x | |
| Lens Shift | vertical +/- 30% | |
| Focal Length, Mm | 16.9 - 20.28 | |
| F-number | 1.49 - 1.72 | |
| Features | ||
| Projection Method | front, rear, ceiling mount, tabletop | |
| Security | Kensington lock, password protection | |
| 3d | ||
| Mouse Functions | ||
| Remote Control | ||
| Dimensions | ||
| Weight, Kg/pounds | 2.09/4.6 | 3.96/1.79 |
| Size W X H X D, сm/inches | 22.86 x 31.50 x 10.41/9 x 12.4 x 4.1 | 22.3 x 21.8 x 10.9/8.8 x 8.6 x 4.33 |
| Resolution | ||
| Resolution Abbreviation | Full HD | HD |
| Max Resolution (resized) | 1920 x 1080 | 1920x1080 |
| Native Resolution | 1920 x 1080 | 1920x1080 |
| Video Compatibility | ||
| Secam | ||
| Pal | ||
| Ntsc | ||
| Operating Temperature | ||
| Max, C/f | 40/104 | |
| Min, C/f | 5/41 | |
| Settings | ||
| Keystone Adjustment Horizontal, +- Degrees | 50 | |
| Keystone Adjustment Vertical, +- Degrees | 40 | 50 |
