Photoelectric Smoke Detector, Battery Model

If you have read John Ott’s book, Light, Radiation & You, you know that certain brands of smoke detectors contain radioactive substances that can weaken the body. But you can still be protected with a non-ionizing (photoelectric) smoke detector. The BRK/First Alert photoelectric smoke detector contains no radioactive materials, making it safe for you to use. Battery model comes with 9-volt battery and features test button, blinking power indicator and audible low-battery warning. Mounting screw included. Click here for hard-wire model.