First Alert SA511CN2-3ST Smoke Alarm | Smoke Alert Home Fire Safety

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First Alert SA511CN2-3ST ONELINK Wireless Battery Operated Photoelectric Smoke Alarm with Voice Location, 2-Pack

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Description

These units are Battery operated Photoelectric smoke detectors and Wireless. If you need to tie this into other Hardwired units you will need to get the SA521CN(SA520B) to use as a bridge unit. First Alert Onelink allows wireless smoke detector integration with by addin and easily linking alarms together with the press of a button. Photoelectric smoke sensor reduces nuisance alarms from cooking smoke or shower steam. Easy access battery drawer: no need to remove alarm from ceiling to change battery. 10-year limited warranty. Meets UL standards. This does not come in the retail pack. It is two of the SA511B contractors box, no instructional DVD however we offer free phone support during installation.

First Alert Wireless Interconnect Setup