Head-Mounted Goggle Gen2+/3 Tubes Night Vision
Technical specifications:
| MODEL | DT-NH821D |
| Generation | Gen 2+/Gen3(optional) |
| Magnification | 1X(3X/4X/5X) |
| Resolution ( lp/mm) | 60-64 |
| S/N （dB） | 18-24 |
| FOV(°) | 42+/-3 |
| Capability | Flip-Up On-Off, Side Flip-Up On-Off |
| Automatic Brightness Control | YES |
| Bright Light Cut-off | YES |
| Infrared Illuminator | Built-in(850nm 20mW) |
| IR Indicator | YES |
| Low Battery Indicator | YES |
| Adjustable range of eye distance | 65+/-5mm |
| Diopter | +5/-5 |
| Range of focus （M） | 0.25--∞ |
| Material | Aviation aluminum |
| Power supply | 2.6-4.2V |
| Battery type | CR123(A)x2 |
| Operating Temperature （℃） | -40/+50 |
| Relative Humidity | 5%-98% |
| Waterproof | IP65（IP67 optional） |
| Dimensions（mm） | 115x127x69 |
| Weight（no battery） | 460g(housing)/610g(finished) |
