Tractical Sight Red Green Dot Sight Holographic Sight 558 Tactical Airsoft Scope Optic 20mm Rail

The red dot is not obvious during the day. It is recommended to use the green dot during the day and the red dot at night. 558 scope is a holographic scope. Its red and green dots are relatively large. You will feel that there is no obvious change during the adjustment process We suggest you find a reference point and watch the changes. (Generally adjust 100Yard, it will move 1/2MOA) 20 level brightness red and green reticle to provide maximum flexibility in different lighting conditions elevation adjustment and view of the side of Leverage, Shockproof and weatherproof materials..syi