EYES SEE GREEN BETTERa 3 MOA Green Dota 17x24 mm viewing windowa Shield footprinta Auto shut off and INSTANT- ONA(R) technologya High grade aluminum alloy body, lightest in its classa Designed from the ground up to ensure clarity, solid function, and rapid target acquisitiona Fits most subcompact, optics ready pistols that use the Shield Standard footprinta With 2 night vision brightness settings, the RFX15 is the perfect optic for your pistol in any light conditiona Tested in the harshest conditions to ensure your optic will be ready whenever you need ita 8 visible & 2 night vision brightness settingsa Integral rear sight notch