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.
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广告Ring Smart Video Doorbells: Help Monitor Home Anywhere. Expand Your Security Today. See Who’s There With Ring. Answer the Door and Check-In on Home at Anytime From Anywhere.
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Ring's New Doorbell Has 1080p Video & A Swappable Battery – TechCrunch
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