Tactical M2 M3 Red Green Dot Sight Scope Brightness Adjustable Aircraft Aluminum Casing Waterproof Dustproof 20mm Rail Mount.

Feature:
Durable all metal construction
Cantilever PEPR mount for any 20mm Picatinny or Weaver rails
Quick rail attachment design
Allow for precision windage and elevation adjustments
Red or green dual illuminated dot reticles with brightness control
Fog-poof, weatherproof, and shockproof
Removable spring loaded flip lens covers

Specification:
1.Casing Material: Aircraft-Grade Aluminum Alloy
2.Reticle Type: Mil-Dot
3.Illuminated Type: Red and Green with 5 level brightness adjustment
4.Magnification: 1X
5.Objective Lens Diameter: 35mm
6.Field Of View(@100yds): 60 degree
7.Eye Relief(mm): Flexible
8.Exit Pupil(mm): 80mm
9.Power of M3: 1x DC3V,CR2032 button cell battery.(Not Included)
10.Power of M2: 3x LR44 button cell battery.(Not Included)
11.Rail Mount Size: fit 20mm/21mm standard rail.
12.Unit Length(without cover): 120mm
13.Tube Diameter: 40mm

Package List:
1x Red&Green Dot Sight Scope
1x Wrench
1x Lens Cleaning Cloth
1x Instruction Manual