Get It Fast
  |  Model#  21027434
$2497
$2497

Alarm Sensor Type Photoelectric

10-Year Battery

Pack Size 1

Alarm Type Smoke

Included Batteries

Free delivery

Set your store to see local
availability

  |  Model#  21027434
$2497
$2497

Alarm Sensor Type Photoelectric

10-Year Battery

Pack Size 1

Alarm Type Smoke

Included Batteries

Free delivery

Set your store to see local
availability

More Options Available

  |  Model#  21006371
$1997
$1997

Alarm Sensor Type Photoelectric

Pack Size 1

Power Source Hardwired

Interconnected

Battery Back-Up

Free delivery

Set your store to see local
availability

  |  Model#  21028749
$7900
/bundle
$7900
/bundle

Alarm Sensor Type Photoelectric

10-Year Battery

Pack Size 2

Alarm Type Smoke

Interconnected

Free delivery

Set your store to see local
availability

  |  Model#  21027431
$3497
$3497

Alarm Sensor Type Photoelectric

10-Year Battery

Pack Size 1

Alarm Type Smoke

Included Batteries

Free delivery

Set your store to see local
availability

  |  Model#  21027431
$3497
$3497

Alarm Sensor Type Photoelectric

10-Year Battery

Pack Size 1

Alarm Type Smoke

Included Batteries

Free delivery

Set your store to see local
availability

  |  Model#  21027436
$3497
$3497

Alarm Sensor Type Photoelectric

10-Year Battery

Pack Size 1

Alarm Type Smoke

Included Batteries

Free delivery

Set your store to see local
availability

  |  Model#  21028114
$4997
$4997

Alarm Sensor Type Photoelectric

Pack Size 1

Power Source Hardwired

10-Year Battery

Interconnected

Free delivery

Set your store to see local
availability

  |  Model#  21026872
$8340
$8340

Alarm Sensor Type Photoelectric

Pack Size 1

Power Source Hardwired

10-Year Battery

Interconnected

Free delivery

Set your store to see local
availability

  |  Model#  7139LS
$11237
$11237

Alarm Sensor Type Photoelectric

Pack Size 1

Alarm Type Smoke

Battery Type Required 9-volt

Included Batteries

Free delivery

Set your store to see local
availability

  |  Model#  S1209
$3496
$3496

Alarm Sensor Type Photoelectric

Pack Size 1

Power Source Hardwired

Interconnected

Battery Back-Up

Free delivery with $45 order

Set your store to see local
availability

  |  Model#  7139CS-C
$14374
$14374

Alarm Sensor Type Photoelectric

Pack Size 1

Power Source Hardwired

Interconnected

Battery Back-Up

Free delivery

Set your store to see local
availability

  |  Model#  21027326
$5496
$5496

Alarm Sensor Type Photoelectric

Pack Size 1

Power Source Hardwired

10-Year Battery

Interconnected

Free delivery

Set your store to see local
availability

  |  Model#  21028114
$19988
/bundle
$19988
/bundle

Alarm Sensor Type Photoelectric

Pack Size 4

Power Source Hardwired

10-Year Battery

Interconnected

Free delivery

Set your store to see local
availability

  |  Model#  913
$2799
$2799

Alarm Sensor Type Photoelectric

Pack Size 1

Alarm Type Smoke

Battery Type Required 9-volt

Included Batteries

Free delivery with $45 order

Set your store to see local
availability

  |  Model#  7139CS-W
$19215
$19215

Alarm Sensor Type Photoelectric

Pack Size 1

Power Source Hardwired

Interconnected

Battery Back-Up

Free delivery

Set your store to see local
availability

Model#  CU Smoke
$8556
$8556

Alarm Sensor Type Photoelectric

Pack Size 1

Alarm Type Smoke

Included Batteries

Smart Home Smart Home Enabled

Free delivery

Set your store to see local
availability

  |  Model#  21027537
$3497
$3497

Alarm Sensor Type Photoelectric

Pack Size 1

Power Source Hardwired

10-Year Battery

Interconnected

Delivery unavailable

Set your store to see local
availability

  |  Model#  21008063
$1497
$1497

Alarm Sensor Type Photoelectric

Pack Size 1

Alarm Type Smoke

Included Batteries

Hush Feature

Delivery unavailable

Set your store to see local
availability

  |  Model#  GN-503
$5656
$5656

Alarm Sensor Type Photoelectric

Pack Size 1

Power Source Hardwired

Alarm Type Carbon Monoxide

Interconnected

Out of stock online

Set your store to see local
availability

  |  Model#  S1209F
$4187
$4187

Alarm Sensor Type Photoelectric

Pack Size 1

Power Source Hardwired

Interconnected

Battery Back-Up

Out of stock online

Set your store to see local
availability

  |  Model#  SA511B
$3879
$3879

Alarm Sensor Type Photoelectric

Pack Size 1

Alarm Type Smoke

Included Batteries

Batteries Included Yes

Out of stock online

Set your store to see local
availability

  |  Model#  SA511CN2-3ST
$7559
$7559

Alarm Sensor Type Photoelectric

Pack Size 2

Alarm Type Smoke

Interconnected

Batteries Included Yes

Out of stock online

Set your store to see local
availability

  |  Model#  21027681
$4996
$4996

Alarm Sensor Type Photoelectric

10-Year Battery

Pack Size 1

Alarm Type Smoke

Interconnected

Out of stock online

Set your store to see local
availability

Select 2 to 4 Items to Compare

Compare