Close range electronic sight for rapid and accurate target acquisition of close range targets out to 100+ yards State-of-the-art diode optical system; provides up to 10 times the brightness intensity and 5 times the battery life of cheaper LED powered red dot sights; up to 50,000 hours of battery life Parallax free 2 MOA red dot reticle with dial controls and 11 levels of brightness intensity Rugged 6061 grade aluminum scope housing; both nitrogen charged and o-ring sealed for IPX7 rated water and fog resistance