CVLIFE Red Dot 1x22mm 3MOA Motion Awake with 10 Brightness Settings with Low-Profile Mount and 1/3 Co-Witness Mount IPX7 Waterproof - $29.24 w/code "2HPCKA4C" + 10% Prime discount 35% off code: 2HPCKA4C + 10% off prime discount Motion Awake: The CVLIFE internal red dot sight utilizes Motion Awake