Specification :

Magnification: 1X
Heavy recoil proof: Yes
Objective Dia MM: 45
Finish: Black
Lens coating: Ruby
Weight in ounces: 5.5 oz
Length (Inches) 3.39"
Free batteries included.
Reticle: Red Dot w/ Multiple brightness settings
Adjustable for windage and elevation
Shock proof, fog proof and water resistant
Capable of handling heavy recoil from centerfire rifles
Easy no gunsmith installation requires no alteration to your rifle
Lifetime Limited Warranty