โปรเจคเตอร์ ยี่ห้อ BENQ รุ่น BenQ-TH681
| Brand | BenQ |
| Model | TH681 |
| Resolution | Full HD (1920 x 1080) |
| Brightness (ANSI Lumens) | 3,000 ANSI Lumen |
| Contrast Ratio | 10,000:1 |
| Aspect Ratio | Native 16:9 (5 aspect ratio selectable) |
| Throw Ratio | 1.15 ~ 1.5 (78.3″ ±3% @ 2 meters) |
| Lens | F= 2.59 – 2.87 f= 16.88 – 21.88 mm |
| Zoom Ratio | 1.3: 1 |
| Lamp Life(STD/ECO)(hr) | 4000 / 5000 / 6500 hours |
| Audible Noise | 33 / 28 dBA (Normal / Economic mode) |
| Input USB (Mini B) | 1 Port |
| Control RS232 | 1 Port |
| Input VGA | 2 Ports |
| Input S-video | 1 Port |
| Input HDMI | 1 Port |
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