6.5 MOA Adjustable LED RMR: Features an automatic brightness mode and easy push buttons for eight adjustable brightness settings including 2 nv and 1 Super bright; 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; Battery Conservation Mode: Automatically adjusts aiming dot to ambient lighting conditions after 16.5 hours; Button Lockout: Sets RMR into automatic mode to prevent accidental adjustments; It’s suitable for military, law enforcement, concealed carry self-defense, target shooting, and hunting applications; Easy-to-use buttons on the sides of the optic allow the user to adjust the illumination brightness, toggle between manual and automatic modes; The bigger dot size (6.5 MOA dot) gives the user the ability to locate the dot quickly which is ideal for close quarter engagements, or is a great solution for those who have vision problems