BEST OVERALL: YoLink LoRa Smart Window Door Sensors. ↓ Jump to Review. BEST BANG FOR THE BUCK: GE Personal Security Window and Door Alarm. ↓ Jump to Review. UPGRADE PICK: Ring Alarm 5-Piece ...

This article was originally published with the title “ Detonating Door and Window Alarm ” in Scientific American Magazine Vol. 8 No. 8 (November 1852), p. 60 doi:10.1038 ...

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.

The Oviedo Fire Department is taking steps to help save children from drowning.

We've tested and reviewed products since 1936. Read CR's review of the Aqara Smart Hub M2 Plus 3 Aqara Door and Window Sensor home security system to find out if it's worth it.

That alarm immediately activates if a door or window where it’s installed opens, making sure kids don’t go unnoticed if they manage to get outside while left unattended.

That alarm immediately activates if a door or window where it’s installed opens, making sure kids don’t go unnoticed if they manage to get outside while left unattended.