1.magnification：1倍；

2.fov：≥ 40°；

3.Distance of action: detection at atmospheric visibility of 10 km, medium contrast between target and background (50%±5%), for a target on a scale of 10 m × 10 m, typical illumination

Distance: ≥5 km at illumination 1 x 10-1 lux; ≥3.3 km at illumination 1 x 10-3 lux;

4.Night vision compatibility: meets Class C night vision compatibility requirements；

5.range of focus：250mm～∞；

6.Eyepiece Viewing Adjustment Range：-6 diopter～+2 diopter；

7.eye distance：52mm～72mm；

8.adjustment：Horizontal adjustment≥27mm，up and down≥8°

9.Continuous working time: dual battery power supply with mutual backup, single section (CR2 battery) not less than 10 hours; with battery low battery report not less than 20 hours.

(CR2 battery) is not less than 10 hours, double section is not less than 20 hours; with battery low battery report function; after the first alarm can still be used for more than 2 hours.

It can be used for more than 2 hours after the first alarm;

10.Weight：0.6kg。

  11.environmental conditions

a)  operating temperature：-48.8℃ ～ 55℃；

b)  Storage temperature：-55℃ ～ 70℃。