The second type is a photo-electric smoke detector. Photoelectric smoke alarms contain a light source and a light detector. During normal operation, the light source does not point at the light ...

The First Alert SA511CN2-3ST hits all the basic marks we look for in a smoke detector. This UL-Listed photoelectric model features interconnectivity so you can connect up to 18 smoke alarms across ...

Generally, there are two primary types of smoke detectors: an ionization smoke detector and a photoelectric smoke detector.

From smart fire alarms to security system add-ons, this home tech is excellent for catching fires or heat problems early.

And ionization units are prone to false alarms from burnt food and steam, so don’t mount them near a kitchen or bathroom. Photoelectric smoke detectors are best at detecting the large particles ...

Photoelectric smoke detectors use LED light. "When the smoke particles get into the chamber it breaks the light or deflects the light where it sets the sensor off," Kaufmann said. Meanwhile ...

Photoelectric smoke detectors use LED light. "When the smoke particles get into the chamber it breaks the light or deflects the light where it sets the sensor off," Kaufmann said. Meanwhile ...

The type of smoke alarm most commonly found in U.S. homes was the least likely to be working months after being installed, according to a research by the Harborview Injury Prevention and Research ...