Illuminates a red 3 MOA reticle through scope. Digital switch controls allows for easy access to change between different modes. Powered by one CR2032 battery. Flip-up lens covers help protect product when not in operation. Aircraft aluminum material design to give more durability. Product is shockproof and prevents maximum recoil. Adjustable up to eight brightness setting for low light situations. Designed for quick target acquisition.Specifications: Construction Aircraft Aluminum Weight 0.7 lb Magnification 1X Battery Type CR2032 Optics Coating Multicoated Objective Lens Diameter 30 Eye Relief Unlimited Reticle Type Illuminated Red Dot Reticle Color Red Dimensions 5.25L x 2.0W x 2.5H 1X Red Dot Sight