Which smoke detector should I buy?
Buy only smoke detectors that carry the label of an independent testing laboratory. Several types of detectors are available. Some run on batteries, household current, "ionization" sensor, or "photoelectric" detection. All approved detectors, regardless of type, will offer adequate protection provided they are installed and maintained properly.

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1. Can the Fire Department help me install a smoke detector?
2. Which smoke detector should I buy?
3. How many smoke detectors do I need?
4. Will the Fire Department come out and check my smoke detector to see if it is working properly?
5. Are landlords required by law to furnish smoke detectors in their buildings?