SYSTEM SENSOR 5602 Single Circuit 194?F Rate of Rise and Fixed Temperature Device,Smoke Detectors & Fire Alarms,Fire Safety,Safety & Security,Tools & Home Improvement SYSTEM SENSOR 5602 Single Circuit 194?F Rate of Rise and Fixed Temperature Device SITERLINK Mini Smoke Detector 10 Year Battery Photoelectric Smoke Alarm, Small Fire Alarm with Test&Silence Button for House, UL Listed, GS522C-A, 1 Pack,Smoke Detectors & Fire Alarms,Fire Safety,Safety & Security,Tools & Home Improvement SITERLINK Mini Smoke Detector 10 Year Battery Photoelectric Smoke Alarm, Small Fire Alarm with Test&Silence Button for House, UL Listed, GS522C-A, 1 Pack First Alert 0827B 10-Year Tamper Resistant Smoke Alarm, White,Smoke Detectors & Fire Alarms,Fire Safety,Safety & Security,Tools & Home Improvement First Alert 0827B 10-Year Tamper Resistant Smoke Alarm, White