广告Ring Smart VideoDoorbells: Help Monitor Home Anywhere. Expand Your Security Today. Battery-Powered or Wired, Ring Has Smart Security Solutions for Every House or Apartment.
Battery or wired options · Motion detection · Slim, low-profile designs · Never miss a visitor
Ring's New Doorbell Has 1080p Video & A Swappable Battery – TechCrunch
广告Combine Alexa with Ring for hands-free home monitoring. Always know when someone is there. Ring has videodoorbells for every home or apartment, wired or battery powered.
Complete Peace of Mind · Stop Crime In Its Tracks · Optional 24/7 Monitoring
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