35mm Red/Green/Blue Dot Optic/ Urban Gray Features LED Light Emitting Diode 100% Safe for the Eyes Unlimited Eye Relief for flexible mounting Rheostat Knob with Three Brightness Levels for each of the Red, Green, and Blue Dot reticles Includes Urban Gray color 30mm Cantilever weaver/ Picatinny type Mount Black Ocular and Objective Flip-Up Lens Covers for a nice contrasting look! Powered by 3 Volt Lithium Batteries CR2032 included Durable Urban Gray Powder Coated Aluminum Body Includes Extra Battery and Mounting Tools Specifications Magnification 1x Reticle Dot Illuminated Reticle Color Red, Green, Blue Dot Size 3 MOA Objective Dia. 35mm Lens Coating Platinum Body Color Urban Gray Powder Coated Length 5 Weight 8.9 oz. Mount Type Cantilevered 30mm mount at 1 1/2 centerline height, rail clamp on with thumb nut, compatible with Weaver/Picatinny/MIL-STD 1913 type rails Battery Type CR2032 Included NcStar Dot Sight/Tactical/1X35/Red/GreenBlue/UG Dot Sight/Tactical/1X35/Red Grn Blue/UG