DuPont Self Charging Smoke Alarm Model PS 131

The DuPont™ Self-Charging Smoke Alarm PS-131 is the first in a series of home safety innovations to be introduced by DuPont. The DuPont Self-Charging Smoke Alarm is charged by the home's electricity, screwing directly into ceiling-mounted light sockets and track lights without lampshades.

• Get dual duty out of your ceiling-mounted light socket with this screw-in smoke detector
• No batteries required; no messy hardwire installation
• Simple alarm testing without ladders; simply flip the light switch twice to trigger 85 dB alarm and to reset
• Rechargeable battery powers smoke detector for up to 30 days in case of a power outage
• A convenient and smart way to insure your family and home's safety