First Alert SC9120B-12ST Combo Smoke & Carbon Monoxide Alarm Specialty Caulks screws and washer

screws and washer

Warning: This product can expose you the chemicals including Phthalates which are known to the State of California to cause cancer and birth defect or other reporductive harm

Run time of 8 hours

Provides a permanent patch of unusual strength over most surfaces when reinforced with patching fabric or a suitable asphalt roofing membrane

Run time of two hours on high

First Alert SC9120B-12ST Combo Smoke & Carbon Monoxide Alarm Specialty Caulks screws and washerHighlights: 120V AC 60 Hz with 9 volt battery back up Intelligent sensor reduces nuisance alarms Silence test button Ionization smoke sensor Tin oxide sensor permanently stores highest carbon monoxide reading Automatically performs internal test Interconnectable with BRK smoke and CO alarms Power indicator Battery drawer Quick connect plug with 8" pigtails Universal mounting bracket with screw slots Does not meet code in "Massachusetts" Note: