Product Description: The DTG-18N is not only powered by a battery on the device, but also by a remote battery packs, tethered to the unit via a standard DC cable. It comes with a pack that accepts four 3-Volt CR123A batteries that tend to power the unit for 50-80 hours (IR off). The remote battery pack provides a secondary function as a counterweight, which is needed considering the goggle weighs about 780g.
| Model | DTG-18N |
| Structural mode | helmeted turnover four-eyed NVG |
| Battery type | Lithium battery (cr123Ax1) / cr123Ax4 external battery pack |
| Power supply | 2.6-4.2V |
| Installation | Head mounted(standard American helmet interface) |
| Control mode | ON/IR/AUTO |
| Over power consumption | <0.2W |
| Battery capacity | 800-3200maH |
| Battery life | 30-80H |
| Magnification | 1X |
| FOV(°) | 120x50 +/-2 °Horizontal 120+/-2 °Vertical 50 +/-2 ° |
| Parallelism of optical axis | <0.1° |
| IIT | gen2+ / gen 3 |
| GAIn | Auto |
| Lens system | F1.18 22.5mm |
| MTF | 120LP/mm |
| Optical distortion | 3% Max |
| Relative Illumination | >75% |
| Coating | Multilayer broadband coating |
| Focus range | 250mm-∞ |
| Focus mode | Manual focus facility |
| eye relief | 30mm |
| Pupil diameter | 8mm |
| Visibility range | -1（+0.5~-2.5） |
| IPD adjust type | Arbitrary continuously adjustable |
| IPD adjust range | 50-85mm |
| IPD lock type | Manual lock |
| IR | 850nm 20mW |
| Working temperature range | -40--+55℃ |
| Humidity range | 5%-95% |
| Waterproof | IP65/IP67 |
| Dimensions | 155x136x83mm |
| Weight | 780G(without battery) |