BRK First Alert Battery-Operated Smoke Alarm SMI100 - Case of 12

BRK Electronics
Mfg #:
Our Item #:
Minimum Purchase:
12 units


Product Description

The First Alert SMI100 Battery-Operated Smoke Alarm is available in a convenient two-pack. The SMI100 smoke detector is equipped with First Alert's Precision Detection advanced sensing technology and meets new industry standards. This battery-operated alarm is easy to install and the front access battery compartment makes for easy battery replacements.


  • Simple Battery-Operation
    Add reliable protection in minutes. The First Alert SMI100 Battery-Operated Smoke Alarm is easy to install - no wiring required. The front access battery compartment also makes for easy battery replacements and a low battery warning will advise when it's time to replace. Discourage unwanted removal of the battery or alarm using the optional locking features.

  • Convenient Test Feature
    Use the simple test/silence button on the front of the smoke detector to check that it is operating properly and silence false alarms. An end-of-life warning will alert you when it’s time to replace the detector because alarms don't last forever. See user's manual for information on how and when to test and replace alarms


  • Model: SMI100
  • Level of Protection: Standard
  • Sensor Type: Ionization
  • Sensor Information: Smoke particles of varying number and size are produced in all fires. For maximum protection, use both ionization and photoelectric sensing technologies. Ionization alarms are generally more sensitive to fast flaming fires and photoelectric alarms are generally more sensitive to smoldering fires.
  • Power Source: Battery Operated
  • Battery Type: 9V Alkaline
  • Number of Batteries: 1
  • Battery Replaceable: Yes
  • Sound Level: 85dB at 10 feet
  • Replaces Model: SA303
  • Product Height: 1.9 in
  • Product Length: 5.4 in
  • Product Width: 5.4 in
  • Product Weight: 0.7 lb
  • UPC Number: 029054022363
  • Warranty: 10 Years Limited