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Sentinel Hardwired Smoke Detector W/battery Backup, Adapters, Ionization Sensor

Part 241930
MFG PART 21009475
Brand Sentinel
$15.34
FREE shipping
In lower 48 states
Usually ships next day
Hassle-free returns

About this item

  • Sentinel Hardwired Smoke Detector W/Battery Backup, Adapters, Ionization Sensor
  • Front Battery Pull Tab Allows Battery Activation Without Removing Alarm From Mounting Bracket
  • Tamper-Resistant Locking feature deters alarm theft
  • Battery backup provides protection in case of power failure
  • Interconnectable with up to 24 devices (of which 18 can be initiating) including smoke, CO and heat alarms, see users guide for complete instructions
  • Mfg #21009475