*Red dot sight 7 level brightness adjustment. It only takes a few quick presses to help you find the optimal light among all the brightness settings*Open optics 28mm reflective lens aperture enjoys a wide field of view in any environment.*Scratch resistant multi-coated amber lens provides greater image clarity.red dot sightRed dot sight 7 level brightnessAim well and quickly at targetsMulti-coated, scratch resistant amber lens provides enhanced image clarity.This pistol and rifle sight's anodized aluminum construction resists shock, wear, tear, and corrosion.IPX6 water proof.