The affordable SpotCam Video Doorbell 2 is wireless and works with lots of other smart devices, but it had trouble staying connected in our tests.

The Lorex 2K QHD Wire-Free Security System comes with two battery-operated cameras that deliver very sharp video, color night vision, and intelligent motion detection.

Users say they were also able view the contact details for random customers, and control their internet-connected products. Eufy blames a bug during a server upgrade and says it quickly fixed the problem.

The battery-powered Nooie Cam Doorbell delivers high-quality 2K video, but has limited third-party integrations and requires a hub.

ADT sues Amazon-owned Ring for trademark infringement and unfair competition over a blue, octagonal outdoor siren that closely resembles ADT's own blue, octagonal lawn sign.

The Nanit Pro Complete Monitoring System is the best smart baby monitor and service we've tested, especially for first-time and/or nervous parents, but it requires deep pockets.

Amazon-owned Ring and Google-owned Nest are two of the biggest names in the smart doorbell market, but which company should you go with? We break down the differences between the Nest Hello and Ring's multiple offerings to help you decide which smart doorbell is your safest bet.

The Reolink Argus 3 Pro is a reasonably priced battery-powered outdoor security camera that delivers sharp 2K video, but it lacks IFTTT support and doesn’t last very long between charges.

The Infant Optics DXR-8 Pro Baby Monitor is a low-tech video monitor for parents and caregivers who want to keep things simple.

The battery-powered Arlo Essential Video Doorbell Wire-Free is easy to install and offers sharp HDR video, voice control, and interoperability with third-party smart devices.

The Zmodo Mini Pro is a tiny indoor Wi-Fi home security camera that offers sharp HD video and intelligent alerts for under $15, though it's not quite as strong a value as the similarly priced Wyze Cam.

The Logitech Circle View is an indoor/outdoor security camera that delivers crisp 1080p video and several smart features, but you’ll need an iCloud account and a compatible Apple device to serve as a hub to take advantage of most of them.

The Lorex 1080p Wi-Fi Pan-Tilt Security Camera is an affordable indoor camera that lets you see what's going on in all corners of the room.

The Lumi by Pampers Smart Baby Monitor and Sleep System tracks your child's slumber habits and detects diaper wetness, but it requires specialized diapers and doesn't monitor breathing.

The Arlo Pro 4 Spotlight Camera is a wireless outdoor security camera that installs in minutes, delivers stunning 2K video, and offers a wealth of features with plenty of integration options.

The Lorex 2K QHD Wired Video Doorbell is a pricey smart doorbell that delivers crisp HDR video and offers numerous features including color night vision, person detection, a built-in deterrent light and siren, and support for voice control.

The Ezviz DB1C Wi-Fi Video Doorbell is an affordable smart doorbell that delivers sharp HD video with a wide viewing angle, cloud and local video storage, and support for voice control and lots of third-party smart devices.

The mydlink HD Wi-Fi Camera (DCS-8010LH) is an affordable indoor security cam that works with lots of other devices, but it lacks two-way audio and maxes out at 720p resolution.

The Cubo AI Plus is a feature-filled smart baby monitor that gives you a sharp bird’s eye view of your infant’s crib and offers crying and rollover alerts, environmental sensors, and sleep analytics.

AWS Panorama adds computer vision and machine learning to existing on-premise camera systems.