Tactical Holographic Rifle Red Green Dot Sight Scope 20mm Picatinny Rail Mount

Description:

Power: 1x
Objective Diameter: 20mm
Exit Pupil: 62mm
Length: 67mm
Tube Diameter: about 30mm
Field of View( @ 100YDS): 50° 
Material: Black Anodized Aluminum Body 
Dot Color: Red Green Dot (LED, 100% safe for the eyes) 
5 levels Brightness Control 
Precise Lateral Adjustment 
Precise Elevation Adjustment, up and down
Perfect For All Terrains And All Weather Conditions 
Powered by 3V CR2032 Lithium Battery (Excluded) 
Eye Relief: Free
Dust Proof, Shock Proof & Fog Proof
Rail Type: 20mm Weaver rail