These tiny devices are smart-home helpers. They detect and alert you about motion, temperature, or open or closed doors and windows — and can tell other smart devices to act.

Origin's Hex Home security system analyses motion with simple sensors This system claims to monitor your whole home with just a couple devices.

The best home security systems are 1. SimpliSafe, 2. Ring, 3. Abode, 4. Arlo, 5. ADT and 6. Vivint. They include sensors, detectors, cameras and more.

An outdoor motion sensor light offers security and illumination. Our home security expert recommends six models, including battery- and solar-powered lights.

The Iota home security system contains a 1080p security camera, a motion sensor, and a gateway. It can be connected to the internet via a wired Ethernet or Wi-Fi connection.

Arlo is adding to its extensive line of security products, with a new Home Security System introduced alongside a new Pro 5S 2K Security Camera.