This morning, my doorbell rang, and I answered it from my thermostat. An image of the FedEx driver appeared on the four-inch touchscreen, and I tapped the microphone icon and told him...

At a glanceExpert's Rating ProsAvailable in plug-in, wired, battery-, and solar-powered configurationsTies tightly into Ring’s and Amazon’s ever-expanding smart home ecosystemsRadar-based motion detectionIFTTT support opens lots of integration possibilitiesConsYou can use Ring’s Pre-Roll...