Product parameters:
Magnification: 4-16
Target diameter: 44mm
Target parallax set 15 to infinity
Crosshair: Red / green luminous crosshair
Material: aluminum alloy
Length: 340mm/13.3in
Weight: 600g
Exit pupil: 8.3-2.1mm
Eye relief: 75.94-81.53
Vision 100 yards. 30-7.3 feet
Battery: CR2032 (included)
With lock cylinder, it can lock the alignment center when shooting with aiming, so that it won't move disorderly
Completely sealed, nitrogen filled, shockproof, waterproof and fog proof. You can choose to install in the range of 11 mm or 20 mm