Technical specifications:
| MODEL | DT-NSCB1 | DT-NSCB3 |
| Generation | Gen 2+/Gen3(optional) | Gen 2+/Gen3(optional) |
| Magnification | 1X | 2X |
| Resolution | 60-64 | 60-64 |
| Objective pupil | 22mm | 40mm |
| FOV(°) | 40 | 13.5 |
| Exit pupil diameter (mm) | 50 | 50 |
| Distance of pupil | 9 | 9 |
| Eyepiece aperture(mm) | +/-5 | +/-5 |
| Battery type(v) | The 1 section 3V lithium battery | The 1 section 3V lithium battery |
| Battery life(h) | 40-50 | 40-50 |
| Operating temperature(℃) | -40 /+50 | -40 /+50 |
| Relative humidity | 5%-98% | 5%-98% |
| Impact resistance | >800G | >800G |
| Waterproof | IP65/(IP67optinal) | IP65/(IP67optinal) |
| Dimensions(mm) | 160x55x69(including eye mask) | 250x58x70(including eye mask) |
| Weight (g) | 295g(finished) | 338g(finished) |