Hawke Sport Optics Endurance RD 1x25mm 3 MOA Dot Red Dot Sight Black. Monotube Red Dot with Digital Control. Parallax error free from 10 yards Ultra compact Ideal for use on pistols AR's and hunting rifles Digital brightness levels Specifications for Hawke Sport Optics Endurance RD 1x25mm 3 MOA Dot Red Dot Sight: Manufacturer: Hawke Sport Optics Color: Black Fabric/Material: Aluminum Magnification: 1 x Objective Lens Diameter: 25 mm Objective Window Size: 25 mm Reticle: Micro Reflex 3 MOA Dot Illumination Type: LED Brightness Settings: 8 Eye Relief: Unlimited Adjustment Type: MOA Adjustment Click Value: 1 MOA Emitter Type: Enclosed Parallax: 10 yds Optical Coating: Fully Multi-Coated Battery Type: Lithium Ion Battery Quantity: 1 Water Resistance Level: Waterproof Shockproof: Yes Fogproof: Yes Gun Make: Universal Gun Model: Universal Length: 2.8 in Width: 1.7 in Height: 2.2 - 2.8 in Weight: 6.5 oz Magnification Type: Fixed Red Dot Sights-Footprint: Not Applicable Mount Type: Weaver Gun Rail: Weaver Features of Hawke Sport Optics Endurance RD 1x25mm 3 MOA Dot Red Dot Sight Parallax error free from 10 yards Ultra compact Ideal for use on pistols AR's and hunting rifles Digital brightness levels Package Contents: Hawke Sport Optics Endurance RD 1x25mm 3 MOA Dot Red Dot Sight High Quick Release Low-Profile Weaver Mounts ?leaning ?loth Hawke Sport Optics 12127: Endurance RD 1x25mm 3 MOA Dot Red Dot Sight Black