Our store sells real solar version. Do not compare the price with the battery-powered version. The red dot in SRS solar energy really realizes batteries free under the sun. The red dot still lights up and works, and the stronger the sun shines, the brighter the light spot, don't worry about the problem that you can't see clearly!

The lens of SRS is 38mm, and the size is relatively short, so the field of vision is relatively large, and there is almost no sense of "peeping;

The red dot of 1.75MOA must be precise enough within the range of 100 yards;
Red dot brightness can be adjusted automatically, and it can also be adjusted manually at 10 levels, of which 1 to 3 levels are compatible with night vision goggles; SRS also has solar cells. Even if it is batteries free in the sun, you can still work.