Smoke Alarm Detection Method Photoelectric Up to 18 Units Interconnection Capability Power Source 120V AC 3V Lithium Audible Alert 85 dB @ 10 ft Visual Alert Style LED Diameter 5 13/64 in Height 5 13/64 in Depth 2 19/64 in Width 5 13/64 in Digital Readout No Battery Backup Yes Features Alarm Latch Low Battery Latch Low Battery Silence and Alarm Silence Strobe Light Hush Button Yes Locking Pin No Operating Temp 40 Degrees to 100 Degrees F Standards UL STD 1971 UL STD 217
