The BTG Video Doorbell is a self-recording doorbell camera that features self-managing internal video storage so users can have the ability to monitor and playback video recordings without signing up for a yearly storage plan like the popular RING brand video doorbell and others.* Camera can cover all devices at multiple addresses* Has Ring and motion alert capabilities* Custom motion alert capabilities* You can interact from visitors from anywhere* Live videos are available upon demand* It has a Panoramic camera* Un-limited self recording built into the camera up to the 64GB storage capacity* You can review, share and save ring videos* No long term on-going contract charges* Exclusive left to right look capabilities by using the touch controls* 1 year warranty