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THERMAL MONOCULAR NSTH001 A4
| Resolution ratio | 384×288 |
| Focal length | 19mm 25mm 35mm |
| Eyepiece | Single eyepiece display (the dioptric compensation is adjustable) |
| Field angle | 19.5°x14.7° 14.9°x11.2° 10.7°x 8° |
| Digital zoom | 2 X 4 X |
| Frame rate of thermal images | 50Hz |
| Color palette | Rainbow/Hot metal/white heat/black heat |
| Focusing mode | Adjustable |
| Battery | Built-in rerechargeable batteries |
| Working time | ≥6 hours |
| Product size（length × height） | 186x69x68 mm |