Eve’s easy-to-install but pricey contact sensor offers powerful automations and works with Thread, but it doesn’t support Alexa or Google Assistant. Eve Systems has been adding more and more ...

It’s pricey and likely won’t work with an existing non-Hue security system, but the Philips Hue Secure contact sensor still ranks as one of the best door and window sensors we’ve tested. Signify-owned ...

Contact sensors, often known as door or window sensors, use magnets to sense open or closed states. You can use this information and the changing of these states to do all sorts of neat things in your ...