| Magnification ： | 1X |
| objective lens aperture ： | 17.5mm |
| Field of view ： | 40 . |
| Eyepiece adjustment range | ：+2 〜-5D |
| low light observation distance | :200m |
| No light and black observation distance: | 100m |
| Voltage Operating | :3.7V DC |
| Replaceable battery: | Rechgrtfervl8658 (Not include) |
| Charger: | 110V-220V |
| Dimensions | (length x width x height) :110x80x57 |
| Weight: | 245g |
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