| Global Product Type | Multimedia Projectors |
| Pre-Consumer Recycled Content Percent | 0% |
| Post-Consumer Recycled Content Percent | 0% |
| Total Recycled Content Percent | 0% |
| Width | 11.5" |
| Depth | 8.5" |
| Height | 2.12" |
| Brightness | 3,200 lm |
| Technology | 3LCD |
| Weight | 4 lbs |
| Audio Output | 1W Monaural |
| Network Ready | Yes |
| Keystone Correction | Manual: +/- 20° Horizontal, +/- 30° Vertical |
| Connector/Port/Interface | HDMI; USB Type A; USB Type B; Wi-Fi |
| Lamp Type | 214 W UHE |
| Lamp Life | 7,000 h (ECO Mode); 4,000 h (Normal Mode) |
| Screen Size (Projected Distance) - : | 30" - 300" |
| Throw Ratio | 1.04 to 1.26 |
| Model | PowerLite® 1781W |
| Ceiling Mountable | Yes |
| Speakers | 1 W Monaural |
| Color(s) | Black |
| Aspect Ratio | 16:10 |
| Contrast Ratio | 10,000:1 |
| Resolution (Native) | 1280 x 800 Pixels |
| Network Types | 802.11b/g/n Wireless |
| Zoom | 1.2x |
| Zoom Type | Optical |
| Zoom Ratio | 1:1.2 |
| Focal Length Range [Max] | 16.22 mm |
| Focal Ratio | 1.58 to 1.7 |
| Video Input Signals | HDTV; M-PAL; N-PAL; NTSC; NTSC 4.43; PAL; PAL 60; SDTV; SECAM |
| Display Modes | WXGA |
| Focal Length Range | 13.52 mm to 16.22 mm |