The Trijicon RMR(R) Type 2 Adjustable LED Reflex Sight is a 3.25 MOA Adjustable LED red dot sight. The 3.25 MOA dot is the most versatile and popular of all RMR dot sizes. The dot is small enough to allow accurate shooting at range while also being big enough to locate quickly. Adjustable LED features eight brightness settings, two of which are night vision-compatible. Easy-to-use buttons on the sides of the optic allow the user to adjust the illumination brightness, toggle between manual and automatic modes, and power down the RMR for storage. The automatic mode functions the same as the Trijicon RMR(R) Type 2 LED version. If a manual mode has been chosen, the RMR will remain in manual mode for 16.5 hours following the last push of a button. After 16.5 hours, the optic will default back to the automatic mode so that the RMR will be ready for your next mission or task. Additionally, the user can lock out the buttons so that the RMR functions in automatic mode only. Manufacturer part number: RM01-C-700600