Specifications for Steiner Intelligent Combat Sight Riflescope 6x40: Magnification: 6 x Objective Lens Diameter: 40 mm Reticle: Illuminated ICS Finish: Matte Package Type: Box Caliber: All Weight: 27.8 oz Eye Relief: Range 2.87 - 3.15 in Length: 7.83 in Color: Black Fit: Universal Illumination Type: LED Weather Resistance: Fog Resistant, Shock Resistant Lens Material: Glass Condition: New Optical Coating: Yes Attachment/Mount Type: QD HT Mount picatinny Features of Steiner 6x40mm ICS Weapon Sight: SOPHISTICATED TARGETING TECHNOLOGY is rugged, intuitive, and easy to use. OPTIMIZED for the 7.62x51mm battle rifle, easily set up for 5.56 mm, .300 Blackout and .300 Win Mag cartridges. ONBOARD COMPUTER accepts cartridge ballistic data for ammunition-specific targeting. BUILT-IN INCLINOMETER compensates for steep angles, high or low. ILLUMINATED RETICLE adjusts from dim to bright for daylight conditions. RED DOT indicates precise point of aim for specific cartridge and distance. FULLY ADJUSTABLE for windage and up to 120 MOA of elevation. CABLE PRESSURE PAD for quick, fingertip laser activation. FIXED 6X MAGNIFICATION for targeting at longer ranges. PICATINNY BASE on the top of the ICS allows for the mounting of an auxiliary sight for CQB operation. QUICK DETACH MOUNTS adapt to any MIL-STD 1913 rail. INTEGRATED IRON SIGHTS for battlefield redundancy. WATERPROOF AND SUBMERSIBLE to 10 meters. POWERED by one CR123A battery.