An upgrade from the original Ring Video Doorbell 2, enjoy improved motion detection, privacy zones and audio privacy, and … All-new Ring Video Doorbell 3 1080p HD video doorbell with enhanced features that let you see, hear, and speak to anyone from your phone, tablet, or PC. New Design Ring gen 2 is NOT backwards compatible with anything but the app , battery is built in , mounting brackets are different size , hell even the screw driver is different , I was looking forward to having the ring video doorbell 2 only to find out it is anything but the ring video doorbell 2 It is a totally different everything , You have to remove the entire camera to charge it also.