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Security Sensors

Smoke Detectors

23 Products

Select up to 4 items to compare.
Select up to 4 items to compare.

BRK Low Profile Smoke Alarm with Replaceable Battery

BRSM200
$28.95
Clearance

Sensaphone Contact Type Smoke Detector Sensor

PHFGD0049SQ
$76.17 $126.95

2GIG E+ Smoke, Heat & Freeze Detector

LN2GIGSMKT900
$110.94

Napco Prima Smoke Detector, 433 MHz

NPPSMK
$71.39

Napco Prima Combo Smoke/CO Detector, 433 MHz

NPPSMKCO
$99.46

BRK Interconnectable Ion Smoke Alarm with 10 Year Battery Backup

BRSMI105AC
$40.16

BRK Interconnect Hardwired Smoke & CO Alarm With 10-Year Battery Backup

BRSMICO105AC
$74.56

BRK 1046858 First Alert Ionization Smoke Alarm with Sealed Lithium Battery

BRSMI110
$25.95

BRK 1046815 First Alert Photoelectric Interconnected Wireless Smoke & CO Alarm with Voice Location

BR1046815
$59.95

BRK 1046774 First Alert Photoelectric Interconnected Wireless Smoke Alarm with Voice Location

BR1046774
$68.09

BRK 1046835 First Alert AC Smoke Alarm with Battery Backup

BRSMI100AC
$18.95

Ecolink Z-Wave Plus FireFighter Smoke/CO Audio Sensor, Gen5

ECFFZWAVE5ECO
$39.00

Ecolink ZigBee Firefighter Module

ECFFZB1ECO
$50.95
Clearance

Ecolink Firefighter Wireless Smoke/CO Audio Sensor, 433 MHz

ECWST600
$15.57 $25.95

Ecolink Firefighter Smoke/CO Audio Sensor, 319.5 MHz

ECSLXADT3
$14.37 $23.95

FirstAlert RM4 Wired-In Relay, 120V

BRRM4
$24.95

FirstAlert Z-Wave Plus Smoke and Carbon Monoxide Detector, 2nd Generation

BRZCOMBOG
$64.99

ELK Heat Rate-of-Rise and Fixed Temperature Sensor

ELK319HRR
$39.57 $65.95

Napco Gemini Wireless Smoke Detector

NPGEMSMK
$116.78

Firewolf Advanced Photoelectric Smoke Detector, 2-Wire with Sounder

NPFW2S
$130.38

2GIG Wireless FireFighter Smoke Detector Sensor-Transmitter

LN2GIGFF345
$60.71

ELK 2-Way Wireless Sound All Smoke Detector

ELK6052
$70.77 $117.95
Open Box

Qolsys IQ Wireless Smoke & Heat Detector (Open Box)

QS5110840_OB
$43.77 $72.95
Select up to 4 items to compare.
Select up to 4 items to compare.