1x40 Red Dot Scope Sight Rifle Scope Green Red Dot Collimator Dot with 11mm/20mm Rail Mount Airsoft Air Hunting

1x40RD Objective the Diameter (mm)  36 Click the Value At 100 yds (in)  1 Tube Diameter (mm)  40 Weight (g)  220 The Length (mm)   96 The Field of View 57 '@ 100 Yards / 19 m @ 100 m Illuminated Red Dot Aircraft - Grade Aluminum Alloy Body Matte enrolled Finish 5 M.O.A Dot Red & Green Light Anti-glare Reflective Coating On the Front Len Compatible for 11 mm & 20 mm Weaver Rail Side focus The Visual Angle adjust Catch the aim quickly Goods do not contain batteries due to aviation security restrictions   //