Trijicon RMR/LED RMR Type 2 3.25 MOA LED Red Dot Sight with No Mount

3.25 MOA LED RMR: automatically adjusts illuminated reticle to available light conditions. CR2032 Battery lasts 2 years of typical Use, 5 years in dark storage Dependable electronic design: ruggedized Battery contacts and electronics ensure performance and survivability in harsh environments Unique patented housing shape: military-grade aluminum alloy forged housing shape diverts force of impact away from the lens, greatly increasing its durability True-color multi-coated lens: creates a wide-band light transmission for Minimal change in target area color Adjustable windage/elevation: easily adjustable without Special tools. 1 MOA per click