https://ring.com › VideoDoorbell › 2ndGen
广告Home or Away, Know Who’s There With Ring Video Doorbell (2nd Gen). Shop at Ring.com. Discover Ring Smart Video Doorbells: Monitor Home Anywhere. Expand Your Security Today.
Works with Alexa · Works with Ring devices · HD Video w/ night vision · Slim, low-profile designs
Types: Doorbell Camera, Outdoor Security Camera, Chime, Outdoor Security Sign