This alarm circuit was designed to monitor a mains-powered smoke detector located in a shed (which is used to house dog kennels). It provides complete isolation from the mains so that low-voltage (12V ...

With the launch of a new intelligent Remote Test Capable photoelectric detector (2251BR), System Sensor adds simplified remote testing capability to the updated DNR and watertight NEMA DNRW ...

At a glance Expert's Rating Pros ・Very quick to alert on smoke ・Easy to set up (assuming you have the infrastructure) ・Some users might find the additional features of value Cons ・Motion sensor isn’t ...

Think of buying the Roost Smart Smoke Alarm like buying a dumb alarm packaged with a smart battery. If you need both, it's worth a purchase, but if you only want smarts, get the battery on its own.

A doorknob cover can keep your curious toddler out of areas that may not be fully childproofed. Here are the most effective ones from our tests.

The best smoke detectors are a necessity for every home, quickly detecting fire, smoke, and carbon monoxide to alert you to potential danger. As a residential carpenter, I've installed plenty of ...