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First Alert 9120B 120 Volt Hardwired Smoke Alarm With Battery Back Up
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First Alert 9120B 120 Volt Hardwired Smoke Alarm With Battery Back Up

10.46$
Greensen wireless security detector,12V DC Coal Gas Natural Gas Alarm Leak Detector Home Security Alarm Gas Sensor , smoke detector
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Greensen wireless security detector,12V DC Coal Gas Natural Gas Alarm Leak Detector Home Security Alarm Gas Sensor , smoke detector

9.25$
Gro Water Sensor Starter Kit
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Gro Water Sensor Starter Kit

71.18$
Hall Effect Water Flow Sensor Switch Flowmeter Fluid Counter DC5V 0.3-3L/min
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Hall Effect Water Flow Sensor Switch Flowmeter Fluid Counter DC5V 0.3-3L/min

6.16$
Kidde 9CO5-LP2 First Alert 21025778 Carbon Monoxide Alarm Battery, 1 Pack
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Kidde 9CO5-LP2 First Alert 21025778 Carbon Monoxide Alarm Battery, 1 Pack

13.79$
Kidde Micro 4', 10-Year Sealed Battery Ionization Smoke Alarm, Model i1040, KIDDE
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Kidde Micro 4′, 10-Year Sealed Battery Ionization Smoke Alarm, Model i1040, KIDDE

12.56$
Kritne 120db Wireless Touch Sensor Anti Theft Security Alarm Loud Door Knob, Wireless Touch Sensor
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Kritne 120db Wireless Touch Sensor Anti Theft Security Alarm Loud Door Knob, Wireless Touch Sensor

6.05$
OC-55 NO Alarm Security Rolling Gate Garage Door Contact Magnetic Reed Switch
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OC-55 NO Alarm Security Rolling Gate Garage Door Contact Magnetic Reed Switch

12.24$
Pguard Dapt-Wt Pool Guard Door Alarm
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Pguard Dapt-Wt Pool Guard Door Alarm

5.34$
Safe-T-Alert SA-866 Photoelectric Smoke Alarm
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Safe-T-Alert SA-866 Photoelectric Smoke Alarm

19.61$
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SDi Smokesabre SABRE Smoke Detector Tester

14.19$