CR's testers say these models from First Alert and Kidde are great at protecting you and your loved ones from harmCR's ...

When particles, such as smoke, enter the detector, the photodiode captures the scattered light generated as the smoke hits ...

Stay prepared with the most reliable smoke detectors for fire and carbon monoxide detection -- tested and recommended by our ...

He is in charge of developing and carrying out testing procedures for a wide variety of home appliances and smart devices including robot vacuums, smoke/CO detectors and air conditioning units.