PRO SERIES UPGRADE ADE is releasing several Pro Series red dots. This PRO SERIES for ADE RD3-021 Nuwa green dot is called NUWA PRO (RD3-021PRO). The additional features that the PRO series includes are Motion Activated System, IP67 Waterproof, and Multi Reticle Technology. This ADE NUWA PRO is designed to fit any pistol/mounting plate/slide/optic cut with RMS/RMSC screw pattern/footprint. FIXED RETICLE WITH COMPACT DESIGN The NUWA PRO has a fixed 66 MOA Circle with 3 MOA Dot (cannot switch between). It is one of the lightest weight and smallest RMS footprint green dot with full metal construction, top battery loading and Motion Awake function. MOTION AWAKE + LONG BATTERY LIFE With the Motion Activated System, the NUWA PRO enters sleep mode after five minutes of inactivity and reactivates instantly with motion. Powered by one CR1632 battery, it offers 6 daylight settings, 1 NV mode (only visible through night vision), and up to 10,000 hours of battery life. BACKUP IRON SIGHT INTEGRATION Ade Nuwa PRO created an iron sight curve at the end of the body, and also added two white dots on the curve. For the rear of part of the red dot to become a back up iron sight. With the ultra short design, the red dot provides a distance/gap on some full size optics ready pistols, to give enough distance to be a Co-Witness back up sight, in addition to the LED dot and pistol equipped iron sight. REPLACES REAR SIGHT FOR NON-OPTIC MODELS For non-optics ready pistols that need to use an optic plate/adapter to replace the pistol manufacturer equipped rear sight, ADE NUWA's rear white dot will act as a pistol factory original rear sight for Co-Witness.