Material : Anodized aluminum alloy (Matte black finish with rubber armored sleeve)

Focal Length : 55mm - 95mm / 2.2" - 3.7" (Eye relief)

MOA : Not Applicable (Magnifier only, centers on red dot via internal windage/elevation)

Waterproof : Yes (Splashproof, Fogproof, and Shockproof)

Battery : None (Optical magnifier, requires no power)