Fire official: Having smoke detectors more crucial than which type

05/23/2011 | KFVS-TV (Cape Girardeau, Mo.)

There are two types of smoke detectors: the photoelectric detector that uses light beams and the ionization detector that detects invisible smoke particles, said detector expert Graham McBride. Installing smoke detectors that are in good condition near every bedroom, regardless of its type, would suffice, said a fire official in Memphis, Tenn.

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KFVS-TV (Cape Girardeau, Mo.)