security home alarm system
Motion and sound detection. Sharp HD video. Works with Amazon Alexa and Google Assistant. Cons: Setup requires working with electrical wiring. Must have existing chime box. Need Nest Aware subscription for many features. Bottom Line: The Nest Hello video doorbell not only lets you know when somebody is at your door, it uses face recognition to tell you exactly who it is. Read ReviewRing Video Doorbell 2 ReviewMSRP: $199. 00 at Pros: Easy to install. Battery or wired power operation. 1080p video.