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Two optical smoke detectors with 9 V alkaline battery - 1 year
$25.51
Optical smoke detector with lithium battery - 10 years
$19.68
Battery-powered optical smoke alarm - 5 years
$18.52
Optical smoke detector with alkaline battery - 5 years
$17.35
Set of 2 interconnected smoke detectors with 3V lithium battery - 5 years
$52.30
Optical smoke detector with 9-V lithium battery
$22.01
Magnetic mounting for smoke detectors
$3.38
Optical smoke alarm with 9 V alkaline battery - 1 year
$15.02
Two optical smoke detectors with 9 V alkaline battery - 5 years
$29.01
$10.15
