A favorite among Athlon&';s red dots, the Midas EDC just moved into "Pro" status. Powered by a commonly found CR1632 battery placed on the top side of the housing, the Midas EDC PRO never needs to be removed from your firearm, ensuring your zero remains true. Features FULLY MULTI-COATEDEffectively reduces reflected light and increases the transmission of light giving you a brighter image than normal single coated lenses. MOTION SENSORBuilt in motion detector automatically wakes the product up from the sleep mode when a motion is detected. EXTENDED BATTERY LIFEOffers 50,000 hours battery life at medium illumination setting.