*Crisp 2 MOA red dot sight allows for accurate, both-eyes-open shooting*Hit targets at all ranges! Easily switch from an unmagnified red dot* Exceptional red dot battery life - up to 50,000 hours at the lowest brightness settingEasily add 4x magnification to an alrady flexible red dot and laser sight comboPrecise digital controls for simple control of the sight and integrated laser - switch between red dot only, red dot laser, and laser only modes with the push of a button.Spacer is included for Lower 1/3 Cowitness for ideal alignment with the LEOSThe 4xRDM's quick detach mount makes it easy to add or remove it from your platform with the side locking lever