Technical specifications:
| Model | DTG-18N |
| Generation | Gen 2+/Gen3(optional) |
| Magnification | 1X |
| FOV(°) | 120×50 +/-2 °Horizontal 120+/-2 °Vertical 50 +/-2 ° |
| Diopter | -1(+0.5~-2.5) |
| Capability | 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 |
| Battery type | Lithium battery (cr123Ax1) / cr123Ax4 external battery pack |
| Power supply | 2.6-4.2V |
| Battery capacity | 800-3200maH |
| Optical distortion | 0.5% Max |
| Eye relief | 30mm |
| Pupil diameter | 8mm |
| Operating temperature(℃) | -40–+55℃ |
| Humidity range | 5%-95% |
| Waterproof | IP65/IP67 |
| Dimensions | 150x130x75 mm /155x136x83mm |
| Weight | 495g(housing)/780g(finished) |