what is the difference between the ring doorbell in the ring doorbell 2?
The main difference between the two, design-wise, has to do with how they get power. While the Ring Video Doorbell 2 can be hardwired or operated by battery, the Ring Video Doorbell Pro must be hardwired. ... Side note: If you choose to run the Ring Video Doorbell 2 on battery power, the battery will last six months.