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.
Customizable settings · Slim, low-profile designs · Works with Alexa · Real-time notifications
Ring's New Doorbell Has 1080p Video & A Swappable Battery – TechCrunch
广告Stay secure with 2K video, wired power, and delivery monitoring via dual cameras. No hidden costs:Designed to protect your home as well as your wallet.
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