EYES SEE GREEN BETTER a 3 MOA green dot a 20x28 mm viewing window a Docter footprint & Picatinny mount included a Auto shut off and INSTANT- ONA(R) technology a Lightweight 6061-T6 aluminum body a Designed from the ground up to ensure clarity, solid function, and rapid target acquisition a Fits most compact and full-size, optics-ready pistols, that use the Docter mounting 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 30,000+ Hours of Battery Life