First Alert SA521CN ONELINK Hardwire Wireless Smoke Alarm with Battery Backup is currently the most products in search, its sales continued to increase, and today we will provide good news for you, you can get the First Alert SA521CN ONELINK Hardwire Wireless Smoke Alarm with Battery Backup with a very low price and fast delivery, please click on the image below to view First Alert SA521CN ONELINK Hardwire Wireless Smoke Alarm with Battery Backup
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Description Products:
- Hardwire, interconnected wireless smoke alarm with battery backup
- Uses photoelectric sensing technology which is environmentally friendlier
- Low battery warning; simple to use silence/test button; pullout battery drawer
- Add additional battery operated First Alert ONELINK alarms to expand without wires
- 120-volt with 2 AA battery backup
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