NcSTAR Micro Blue Dot Optic w/On/Off Switch

Blue Dot Micro Dot Reflex Optic Dot Size: 2 MOA LED (Light Emitting Diode) 100% Safe for the Eyes Unlimited Eye Relief for flexible mounting 23.5X16.8mm Objective lens On/Off Switch Integrated Weaver/Picatinny rail Style Mount Powered by 3 Volt Lithium Batteries (CR2032) included Includes Extra Battery, Lens Covers, and Mounting/Adjustment Tools Black Anodized Aluminum Body International orders will not include batteries.