HD22X Green/Red Dot Sight Laser Sight Combo Reflex Rifle Optic Scope 20MM Picatinny Mount Hunting Tactical Gear IPX4 Waterproof

Features 
Durable all metal construction

Allow for precision windage and elevation adjustments. 
Reflective sight and laser are independently controlled.
Red and green dot with adjustable brightness
Button control brightness, each color has six levels of brightness adjustment
Lightweight, dust-poof, weatherproof, and shockproof
Integrated mount for standard 20mm Picatinny rails
The sight also includes a convenient QD (Quick Detach) riser, allowing for easy attachment and removal from your airsoft rifle.
Lens covers and storage box included
Pressure switch for instant activation of the red laser

Specifications
Length: 3.385"
Width: 1.21"
Height: 2.21"
Weight: 8 oz
Obj. Aperture: 22 mm
Magnification: 1x
Field of View: 50 degrees
Eye Relief: Unlimited
Reticle Type: 5 MOA
Finish: Black Matte
Power: CR123A Battery