Color: Black Magnification: 2.5 - 15 x Objective Lens Diameter: 50 mm Tube Diameter: 30 mm Reticle: MIL/HASH Illuminated Reticle Reticle Focal Plane: Second Focal Plane (SFP) Illumination Color: Green, Blue Eye Relief: 3.5 - 4 in Exit pupil: 3.3 - 20 mm Adjustment Type: Mil Rad Adjustment Click Value: 0.1 Mil Rad Field of View, Linear: 7.6 - 38.3 ft at 100 yds Parallax: 100 yds Lens Material: Glass Battery Type: CR2032 Battery Life: 6 hours Weather Resistance: Yes Water Resistance Level: IP67 Shockproof: Yes Fogproof: Yes Length: 13.5 in Weight: 18 oz Finish: Matte Fabric/Material: Aircraft Grade Aluminum