The AMERIGLO Haven is designed for everyday reliability, for everyday carry, in any environment. Defending your family and your home requires 24/7 reliability, immediate target acquisition, intuitive controls, and innovative electronics you can trust to work every time. The HAVEN is guaranteed to survive continuous firing and recoil from today s harshest handguns and is compatible with today s most common IWB/OWB holsters. Ready for immediate install on today s most popular optics-ready pistols, the HAVEN uses the Trijicon RMR footprint. Its smart electronics offer a 12-hour runtime followed by a 12-hour, motion-activated auto-on. 2-year battery life on a mid-setting with a common CR2032 battery. Product Features Side Loading Battery: No need to re-zero after a battery change Intuitive Controls: 11 easy-to-use brightness settings, with proprietary Carry-Loc lock-in mode Reliable Construction: Optimized glass coatings, waterproof to 1m and aircraft-grade housing to withstand bumps and drops Power Protect: Smart electronics offer 12-hour runtime and 12-hour, motion activated auto-on providing up to two years of battery life at a mid-setting Perfect Zero Adjusters: AMERIGLO Haven is designed with precision-engineered elevation and windage adjusters Rapid Target Acquisition: Large window & high visibility vertical post on the rear deck result in faster dot acquisition Industry Standard Footprint: Uses the Trijicon RMR footprint for easy mounting on most optics-ready handguns