smoke alarms
system sensor 2w b smoke alarm 12 24 vdc 2 wire w base
smoke alarm detection method photoelectric no interconnection capability power source 12 24 vdc two wire visual alert red led diameter 5 19 64 in . height 2 in . digital readout no battery backup no features removable detector cover and chamber built in remote maintenance signaling drift compensation and smoothing algorithms hush button no locking pin no operating temp . 32 degrees to 120 degrees f standards ul csfm includes base manufacturers warranty length 3 yr . br b features b ul li battery backup no li li features removable detector cover and chamber built in remote maintenance signaling drift compensation and smoothing algorithms built in test switch li li height 2 li li item smoke alarm li li operating temp . 32 degrees to 120 degrees f li li digital readout no li li hush button no li li power source hardwired li li manufacturers warranty length 3 yr . li li standards ul csfm li li test button yes li li locking pin no li li diameter 5 19 64 li li detection method photoelectric li li interconnection capability no li li visual alert red led li ul