Batteryless Smoke Alarm

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No batteries required for this smoke alarm. Instead, it connects directly into ceiling mounted light sockets, automatically recharging whenever the light is turned on. Not bad — it involves less maintenance, and saves batteries from the landfill. The price is $39.95. :: First Street

Batteryless Smoke Alarm
No batteries required for this smoke alarm. Instead, it connects directly into ceiling mounted light sockets, automatically recharging whenever the light is turned on. Not bad — it involves less maintenance, and saves batteries from the landfill.