广告Battery-Powered or Wired, Ring Has Smart Security Solutions for Every House or Apartment. Ring Smart Video Doorbells: Help Monitor Home Anywhere. Expand Your Security Today.
Models: Battery Doorbells, Video Doorbell 2nd Gen, Video Doorbell 3, Video Doorbell 4
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 video doorbells for every home or apartment, wired or battery powered.
Smart Home Security · Amazon Certified · Optional 24/7 Monitoring · Works with Alexa
Models: Ring Video Doorbell, Ring Alarm System, Ring Video Doorbell 2
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