It runs on a replaceable nine-volt battery and features a combination ionization and photoelectric sensor that is by far the most accurate and effective detection method available. Experts say it's ideal for hallways and stairwells because of the light, but it is not as sensitive as it might be because it lacks dual sensors. This is a good choice if you want a detector with a very long battery life, although it does lack a dual sensor. Experts caution that while different types of smoke detectors are readily available, not all smoke detectors are created equal. The pros say to choose a model that uses a technically advanced dual-sensor system.
Most models only have a single sensor - either ionization or photoelectric.
This unit also includes two test buttons that allow the owner to continuously check that the model is functioning properly, as well as an 85-decibel alarm horn. All Rights Reserved. Inc. Other trademarks or service marks on this site are the property of their respective owners. ConsumerSearch is not sponsored by any source reviewed, and we accept no consideration or payment for including, excluding, or ranking any reviews, products or services in our reports. Actual selling prices may differ.