https://ring.com/Battery/DoorbellPro
广告Ring Pro-Tier Doorbells Help Protect Your Home w/ 3D Motion Detection & Bird's Eye Zone. Join Millions of Satisfied Customers and Choose Ring for All of Your Home Security Needs.
Affordable protection · Free 2-day ship on $49+ · Works with Alexa · Motion detection
Models: Battery Doorbells, Video Doorbell 2nd Gen, Video Doorbell 3, Video Doorbell 4
Ring's New Doorbell Has 1080p Video & A Swappable Battery –
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