Meprolight 901142372 MCO PRO 2/68 MOA Reflex SightThe Meprolight MCO PRO is a durable, high-performance closed emitter red dot sight designed for optimal visibility in any environment. It features a user-selectable 3-segment reticle with 10 daylight and 2 night vision brightness settings, and offers an impressive 25,000+ hours of battery life on setting 5. The Meprolight 901142372 sight includes automatic and manual brightness controls, a Shake Awake feature, and a recoil block for consistent alignment. Rated IP67 for water and dust resistance, the Meprolight MCO PRO Reflex Sight is built for precision and reliability, with the option to enhance night vision use by adding a 1.93” riser (sold separately).Features of the Meprolight MCO PROClosed emitter design shields against all elementsUser selectable 3-segment reticle10 Day/2 NV brightness settingsCR2032 – 25,000+ hours of battery life (setting 5)Automatic and Manual Brightness ControlShake AwakeRecoil block for alignment and zero holdIP67 Water/Dust proof rating1.93” riser available separately Meprolight MCO PRO 2/68 MOA Reflex Sight 901142372