Red 3 MOA Dot For the RMR/407C/507C & MOS Footprints Shake Awake/Motion Deactivated Standby Up to 50,000 Hours of battery life IPX7 waterproof Side Mounted Battery Parallax Free 8 Daytime Settings/2 Night vision Settings The Cyelee Bear red dot is our entry into rugged, ready for anything, closed emitter pistol red dot sights. The most affordable option on the market by a large margin, you sacrifice nothing going with this pistol red dot that is made for the rain, for the snow, and for the cold where other dots freeze, the bear never fogs up, and stays alert and awake with MDS Mode(Motion Deactivated Standby).