The Shield RMSx Protective Cover is an essential spare accessory designed to protect your RMSx optical sight while extending battery life during storage and transport.Shield RMSx Spare Protective CoverCustom fit for Shield RMSx red dot sightsReduces battery drain when sight is not in useProtects lens and electronics from dust and debrisReplacement cover for lost or damaged originalsPerfect for shooters who want to maintain their RMSx sight in optimal condition and maximize battery life between uses. An essential backup accessory for any RMSx owner.