Spot Hog is Part of Nitehog's Day Optics Portfolio. A 1x7x24 Red Dot Sight that is Completely Parallax-Free giving confidence to the shooter to focus on the Target Easily. IMPORTANT: Battery not included in the box. Specifications for NiteHog Spot Hog Reflex Red Dot Sight: Manufacturer: NiteHog Color: Black Finish: Matte Fabric/Material: 6061-T6 Aluminum Magnification: 1 x Objective Lens Diameter: 17 - 24 mm Reticle: 3 MOA Dot Illumination Type: LED Illumination Color: Red Brightness Settings: 8 Eye Relief: Unlimited Adjustment Click Value: 1 MOA Emitter Type: Open Parallax: 23 m Battery Type: CR2032 Battery Life: 50000 hours Water Resistance Level: IPX6 Shockproof: Yes Length: 41 mm Width: 25 mm Height: 24 mm Weight: 1.4 oz Red Dot Sights-Footprint: RMS Lens Type: Glass Caliber: .338 Lapua Magnum, 9mm Luger, .45 ACP, 12 Gauge Mount Type: Weaver Features of NiteHog Spot Hog Reflex Red Dot Sight Guaranteed Durability - Spot Hog is shockproof and guaranteed a trouble-free use with 9mm, 45ACP, 12GA and Lapua Magnum 338 ammo. IPX6 Water Proof Spot Hog is equipped with 3MOA Dot Size. Enhanced with 8 Levels and 2 NV Red Dot can be easily mounted than to its slim and low Profile and proudly developed by snag-free design. The motion sensor feature allows auto shut-off in 2 min Extended Operation Time - Being energy-efficient Spot Hog provides thousands of operating hours from a single "CR2032" standard battery Easy Mounting - Equipped with weaver mount made of aluminum alloy Package Contents: NiteHog Spot Hog Reflex Red Dot Sight Rubber Cap Lens Cloth Screw Sets Mounting Keys