Next-level security and convenience that works on any home; includes a rechargeable battery pack and two faceplates. Watch over your home in crystal-clear 1080HD video, and see, hear and speak to vis mobile alerts and two-way talk, you can answer the door from your smartphone, tablet and PC. Ring lets you adjust your motion sensors so you can find the ideal setting for your home. Youll get ins allowing you to protect your property from the comfort of your smartphone. Video Doorbell 2 works on any home and includes a quick-release rechargeable battery, so you can charge your Doorbell withou battery packs, and you'll never worry about power. Includes one rechargeable battery pack iOS, Android, Mac compatible Live View on-demand video and audio Instant mobile alerts