Best 2021 Home Security & Surveillance

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#1 Nest Doorbell Battery
4.0

Best for free smart alerts, easy wireless setup, and strong Google Home integration. Skip it if you need long free storage, a swappable battery, broad non-Google support, or 24/7 recording.

Pros: Object and person detection, lag)

Cons: Law enforcement policy transparency, Privacy

#2 Google Nest Cam (Battery, Outdoor), 2nd Generation
3.9

Best for easy outdoor mounting, accurate AI alerts, and a Google Home-first setup. Skip it if you need local storage, broad smart-home support, color night vision, or stronger value for...

Pros: False alert filter effectiveness, Operating temperature range

Cons: IFTTT/automation compatibility, HomeKit integration

#3 Ring Video Doorbell Wired
3.9

Good if you want a cheap, compact wired doorbell with clear video, fast alerts and Alexa support. Skip it if you need an existing chime, Google/HomeKit support, package detection or...

Pros: Battery and Charging, Security ecosystem integration

Cons: Face recognition, Video sharing options

#4 Google Nest Indoor Camera (Wired), 2nd Generation
3.8

Choose it if you want a compact indoor camera with strong Google Home integration, quick alerts and clear video. Skip it if you need local storage, broad smart-home support, outdoor...

Pros: Low-light performance, Notification speed

Cons: Recording start-time lag, PTZ (pan/tilt/zoom) control responsiveness