No Sweat Setup Photoelectric Smoke Detector And Hardwired Fire Alarm With Interconnected Wiring And 9V Backup Keeping Your Pad Secure All Night Long Fast Trigger Stops Smoldering Fires Cold Easy Touch Test Pause Switch 4 Pack Bundle

4 Pack Hardwired Photoelectric Smoke Detectors For Home Safety
✔️ 120 volt hardwire power and nine volt backup links up to twelve units

This four pack bundle of photoelectric smoke alarms provides reliable dual power fire protection for your household rooms. You easily mount each white alarm to walls or ceilings while the direct wiring handles steady monitoring. The built in silence switch and quick test button keep daily maintenance simple during busy nights.

✅ High sensitivity detector identifies slow burning embers within one second ✅ Interconnects up to twelve alarms so every unit sounds together instantly ✅ UL 217 tenth edition compliance guarantees tested residential grade safety ✅ Built in ten hour mute mode suppresses unwanted chirps during testing

💡 What makes photoelectric smoke detection more handy for spotting slow smoldering fires indoors? Reliable tracking starts with matching light scatter patterns to actual heat buildup. - You bypass daily kitchen vapor triggers without losing critical early warning coverage. - Linked circuits sync every zone so you hear the full sweep alarm before darkness falls. - Sealed testing buttons and silent mute windows keep maintenance simple during late hours.

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