ALTHOUGH IT’S NOT as pricey as its 4K stablemate, the Arlo Ultra, the Pro 2 will set you back a pretty penny. For the base station (which includes a built-in siren) and a single camera, expect to pay 390$, and additional cameras...

THE NEST CAM IQ, with its 4K sensor and facial recognition, proved to be the best-quality and smartest security camera we’d ever tested at the time. The Nest Cam IQ Outdoor sees the company back with more of the same, this time...