These Red Dot Sights are the best of both worlds, combining a 1x magnification 2 MOA red dot sight and a laser sight. You can choose from a red laser or green laser sight. The integrated riser mount housing is ready to mount any Picatinny rail right out of the box. The AT3 LEOS is built into a tough 6061 Aircraft-Aluminum housing with a stealthy matte-black hard coat anodized finish. AT3 Tactical gives the AT3 LEOS Red Dot Sight the capability of running the red dot sight, or the laser sight, or both the laser and the red dot sight simultaneously. Specifications for AT3 Tactical LEOS Red Dot Sight with Integrated Laser Sight & Riser: Manufacturer: AT3 Tactical Color: Matte Black Finish: Anodized Fabric/Material: 6061 Aircraft Aluminum Magnification: 1 x Objective Lens Diameter: 30 mm Objective Window Size: 30 mm Reticle: 2 MOA Red Dot Illumination Type: LED Illumination Color: Red Brightness Settings: 6 Eye Relief: Unlimited Adjustment Click Value: 1 MOA Emitter Type: Enclosed Parallax: 25 yds Optical Coating: Multi-Coated Battery Type: CR123A, Stand Alone Lithium Battery Quantity: 1 Battery Life: 50000 hours Shockproof: Yes Fogproof: Yes Gun Model: Universal Length: 4.3 in Width: 2.3 in Height: 3.1 in Weight: 8.3 oz Package Type: Box Red Dot Sights-Footprint: Not Applicable Attachment Type: Picatinny, Weaver Mount Type: Weaver Features of AT3 Tactical LEOS Red Dot Sight with Integrated Laser Sight & Riser Crisp 2 MOA red dot Brilliant red targeting laser with W/E adjustment Integrated riser mount housing 50K hour max battery life Flip-up lens caps Tool-free windage & elevation adjustments Crisp 2 MOA red dot with 6 brightness settings for accurate both-eyes-open shooting Brilliant red laser enables rapid targeting perfect for home defense, tight quarters, & low visibility Crystal-clear fog-proof multi-coated optics resist scratches and provide clarity in all situations Unfailingly maintains zero even with high-caliber weapons Precise digital controls for simple control of the sight and integrated laser switch between red dot only, red dot laser, and laser only modes with the push of a button. Integrated riser mount puts sight at optimal eye level, and provides lower 1/3 co-witness with AR-15 iron sights (compatible with all AR iron sight setups including fixed sights) Tool-free windage and elevation adjustment with an integrated screwdriver on W/E caps Spring-assisted flip-up lens caps provide rapid deployment and superb lens protection Durable 6061 Aircraft-Aluminum housing with a stealthy matte-black hard coat anodized finish Fully waterproof and fog-proof sealed design with nitrogen-purged optics Extra-long battery life up to 50,000 hours on lowest brightness setting (red dot only); up to 40 hours of continuous red laser use, and 8 hours of continuous green laser use. Shockproof circuitry rated for impacts up to 800 Gs it can handle any recoil you throw at it. Uses commonly available CR123 lithium batteries Surefire CR123A included Easy thumb screw for secure mounting to any Picatinny rail (can tighten by hand, or with a coin or flathead screwdriver) Package Contents: AT3 Tactical LEOS Red Dot Sight with Integrated Laser Sight & Riser LEOS Red dot sight Instruction sheet Lens cloth Surefire CR123A Battery