THRIVE HD RED DOT REFLEX SIGHT 3 MOA W/LOW MOUNT. The latest addition to the ZeroTech range is the ready on demand Thrive HD Reflex sight with advanced shake awake technology to ensure it's ready to go when you are! Built on a popular footprint, the Thrive HD Reflex will mount to most firearms. The Thrive HD reflex sight comes standard with a picatinny rail interface. Up to 50,000 hours battery life Direct mount to pistols for enhanced compatibility Molded rubber cover Auto shutoff and Auto ON Adjustable brightness Supplied with Picatinny compatible base (Low and High version available) Guaranteed Waterproof and Shock proof AR lens coating specially developed for the least possible image distortion