广告Battery-Powered or Wired, Ring Has Smart Security Solutions for Every House or Apartment. Simple Installation And Free Ring Theft Protection. Shop RingVideoDoorbell Now.
Slim, low-profile designs · HD Video w/ night vision · Dedicated 24/7 support
Ring's New Doorbell Has 1080p Video & A Swappable Battery – TechCrunch
广告Ring has video doorbells for every home or apartment, wired or battery powered. Protect your home & watch over what's important from your phone with ringvideodoorbell.
Never Miss a Visitor · Smart Home Security · Works with Alexa · Amazon Certified
Models: Ring Video Doorbell, Ring Alarm System, Ring Video Doorbell 2
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