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