Holosun HE512T Enclosed Titanium Reflex Sight Red Multi-ReticleHolosun HE512T Enclosed Titanium Reflex Sight Red Multi Reticle Enclosed reflex sight for carbines, PCCs, and shotguns; Grade 5 titanium housing for maximum durability; Multi Reticle System (MRS) with 2 MOA dot, 65 MOA circle, or both; 12 brightness settings, including 10 daylight and 2 night vision compatible modes; Up to 50,000 hour battery life; Solar Failsafe for automatic brightness adjustments; Shake Awake technology for battery conservation;