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 ...

Adding smarts to smoke detection can feel like walking a treacherous path. Old-fashioned smoke detectors have served as a fine warning system for a long time. Yes, between false alarms and low-battery ...

Installing and maintaining smoke and carbon monoxide (CO) detectors can save your life. Fortunately, they’re inexpensive and easy to put in place. Basic smoke detectors cost as little as $15 and ...

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.