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Household Sensors & Alarms - Page 2 - Blowout Sale! Save up to 66%


Blowout Sale! Up to 66% off on Household Sensors & Alarms at Defy Now, Page 2. Top brands include WJZXTEK, ALTAIR 4X, First Alert, Kidde, MTI INDUSTRIES, EMX, Aeotec, Safe Home, HomeSafe, Promax, ARS LAB US, Mold Inspection Network, & Olide. Hurry! Limited time offers. Offers valid only while supplies last.



Carbon Monoxide Detector Gas Detection, WJZXTEK LCD Digital Display Carbon Monoxide Alarm, Electronic Safety Equipment, Power Detection Equipment, Loud Alarm Clock Warning
Carbon Monoxide Detector Gas Detection, WJZXTEK LCD Digital Display Carbon Monoxide Alarm, Electronic Safety Equipment, Power Detection Equipment, Loud Alarm Clock Warning
By WJZXTEK
In Stock
$29.99
$12.99
You Save: 57%

ean: 0646690188835,

4.7 out of 5 stars with 61 reviews
Test the alarm First: Step 1: press the test button for 5s (A single silence and test button eliminates confusion and allows you to silence and test the alarm easily) Step 2: the unit will sound 4 beeps every 5s twice & Red LED flashes & LCD display ...


MSA 10107602 Charcoal ALTAIR 4X Portable Combustible Gas, Carbon Monoxide, Hydrogen Sulphide And Oxygen Monitor With Rechargeable Battery And Motion Alert 1/EA
MSA 10107602 Charcoal ALTAIR 4X Portable Combustible Gas, Carbon Monoxide, Hydrogen Sulphide And Oxygen Monitor With Rechargeable Battery And Motion Alert 1/EA
By ALTAIR 4X
In Stock
$669.00

mpn: 10107602, ean: 0816687000000,

4.6 out of 5 stars with 60 reviews
The ALTAIR 4X is an extremely durable Multigas Detector that simultaneously measures up to four gases from a wide range of XCell(R) sensor options including combustible gases, O₂, CO, H₂S, SO₂ and NO₂. The ALTAIR 4X Detector surpasses industr...


First Alert CO400 Carbon Monoxide Detector, Battery Operated, 2-Pack
First Alert CO400 Carbon Monoxide Detector, Battery Operated, 2-Pack
By First Alert
In Stock
$32.99
$31.99
You Save: 3%

mpn: co400cn2, ean: 0029054003720,

4.3 out of 5 stars with 7 reviews
This handy 2-pack of First Alert CO400 Carbon Monoxide Alarms utilizes electrochemical carbon monoxide sensors to monitor your space for carbon monoxide threats. The battery-powered design doesn't require an electrician; simply insert the included 9...


Kidde 9080k Smoke Alarm with Safety Light
Kidde 9080k Smoke Alarm with Safety Light
By Kidde
In Stock
$15.99
$11.51
You Save: 28%

mpn: 0918K, ean: 0047871403769,

4.2 out of 5 stars with 110 reviews
Highlights: Color : White Battery powered (9 volt battery) Flashing safety light Easy to install on wall or ceiling Suitable for hallways and stairwells Lights escape path to help guide your family to safety Hush feature temporarily silences nuisance...


Kidde i9010 Sealed Lithium Battery Power Smoke Alarm
Kidde i9010 Sealed Lithium Battery Power Smoke Alarm
By Kidde
In Stock
$24.43
$19.99
You Save: 18%

mpn: 442007, ean: 0047871260553,

4.4 out of 5 stars with 75 reviews
Sealed-In Lithium Battery - Sealed-in lithium power supply; no battery replacement required over the 10 year life of the alarm. Eliminates worry about battery removal or unauthorized deactivation of alarm. Self Activation - Alarm automatically activa...


MTI INDUSTRIES 30442PBR 12V Propane/Gas Detector
MTI INDUSTRIES 30442PBR 12V Propane/Gas Detector
By MTI INDUSTRIES
In Stock
$56.79
$53.58
You Save: 6%

mpn: 30442PBR, ean: 0715456404318,

4.1 out of 5 stars with 45 reviews
SAFE T ALERT 30-442-P-BR 12 VOLT DC BROWN PROPANE ALARM FLUSH MOUNTED Built for the extreme RV environment. One-touch test/reset button. Alarm can be muted during ventilation, but will re-alarm if hazardous conditions recur. Flush mount detector fits...


EMX IRB-4X Infrared Photoeye Safety Sensor
EMX IRB-4X Infrared Photoeye Safety Sensor
By EMX
In Stock
$138.49
$132.95
You Save: 4%

mpn: IRB-4X, ean: 0753182401454,

4.0 out of 5 stars with 110 reviews
Infrared Photocell IRB-4X. Works without lenses so it is easy to align, making it less sensitive to fog, dust, snow, and sunlight. Used as a safety, reversing, or opening device in conjunction with automatic operators. The IRB-4X tEasy to align, maki...


Aeotec Siren Gen5, Z-Wave Plus, 105dB siren with strobe alerts, Plug-in, Backup battery
Aeotec Siren Gen5, Z-Wave Plus, 105dB siren with strobe alerts, Plug-in, Backup battery
By Aeotec
In Stock
$49.95

mpn: ZW080, ean: 0642872866102,

4.9 out of 5 stars with 95 reviews
Protect your home and your safety with Z-Wave. Siren Gen5 lets you add 210 lumen strobe light and 106dB siren alerts to your Z-Wave home control system. Anti-tamper and power-out protect keeps the siren online even when your power isn't courtesy of ...


First Alert BRK 9120B Hardwired Smoke Alarm with Battery Backup
First Alert BRK 9120B Hardwired Smoke Alarm with Battery Backup
By First Alert
In Stock
$23.99
$8.20
You Save: 66%

mpn: 9120BFF, ean: 0029054513014,

4.8 out of 5 stars with 26 reviews
Keep your family safe with this hardwired smoke alarm; the battery backup means constant monitoring, even if there's a power failure. Equipped with an ionization sensor, this smoke alarm reliably detects smoke from fast-flaming fires and alerts you ...


Nighthawk Plug-in Carbon Monoxide & Explosive Gas Alarm with Digital Display KN-COEG-3
Nighthawk Plug-in Carbon Monoxide & Explosive Gas Alarm with Digital Display KN-COEG-3
By Kidde
In Stock
$65.99
$42.79
You Save: 35%

mpn: KI-21006677, ean: 0640025010112,

4.8 out of 5 stars with 148 reviews
Protects you and your family from two deadly threats: carbon monoxide and explosive gas.. Sounder Alarm - The KN-COEG-3 offers a loud 85-decibel pulsing alarm that will sound to alert you to a potential problem.. Digital Display - Displays the le...


Safe Home LEAD Drinking Water Test Kit (Two Certified Lab Tests/Kit)
Safe Home LEAD Drinking Water Test Kit (Two Certified Lab Tests/Kit)
By Safe Home
In Stock
$59.95

mpn: SH-PBWT1, ean: 0869683000208,

4.2 out of 5 stars with 9 reviews
*SAFE HOME LEAD Laboratory Certified Testing for: TOTAL LEAD *Contains a set of water quality test vessels to allow you to test for Total Lead (Dissolved Lead & Solid Lead) in your Water Supply and from your Plumbing Fixtures. *Fill the vessels wit...


Homesafe Safety Beam Laser Motion Detector Sensor & Alert
Homesafe Safety Beam Laser Motion Detector Sensor & Alert
By HomeSafe
In Stock
$36.99

mpn: 469,

4.3 out of 5 stars with 105 reviews
With the safety beam you will know when someone "crosses the line". This high tech device creates an invisible infrared beam up to 60 feet long and sounds a loud alarm, pleasant chime, or multiple chimes when the beam is crossed. Retail stores and bu...


Kidde AC Hardwired Operated Carbon Monoxide Alarm with Digital Display KN-COP-IC
Kidde AC Hardwired Operated Carbon Monoxide Alarm with Digital Display KN-COP-IC
By Kidde
In Stock
$42.76

mpn: 21006407, ean: 5526680000796,

4.5 out of 5 stars with 57 reviews
Digital display displays the level of carbon monoxide the unit is sensing. Battery pull tab eliminates battery installation time and keeps battery fresh. Peak level memory displays the highest CO concentration measured since the last reset. Tamper re...


Max Pro Safety Horn 1.5 oz (.2-Pack)
Max Pro Safety Horn 1.5 oz (.2-Pack)
By Promax
In Stock
$24.00

ean: 7426884577873,

4.7 out of 5 stars with 76 reviews
Ideal for Skiing, hiking, or to scare away muggers or animals 100% safe for the ozone 112 decibel sound can be heard up to 1/2 mile away Small and compact and can be stored almost anywhere 4 year manufacturer warranty...




ARS LAB US Bluetooth Food Freshness and Safety Detector
ARS LAB US Bluetooth Food Freshness and Safety Detector
By ARS LAB US
In Stock
$89.00

mpn: 862665000111, ean: 0862665000111,

4.2 out of 5 stars with 142 reviews
Compact, handheld wand Detects the VOC gases produced when food spoils Sends one of three results to your smartphone: Fresh - indicates that the product is fresh and safe to eat Cook well - indicates that the spoilage process has already commenced....


DIY Mold Test, Mold Testing Kit (3 tests). Lab Analysis and Expert Consultation included
DIY Mold Test, Mold Testing Kit (3 tests). Lab Analysis and Expert Consultation included
By Mold Inspection Network
In Stock
$75.95
$45.95
You Save: 39%

mpn: DT-28356, ean: 0643462342334,

4.0 out of 5 stars with 54 reviews
If you have recently been worried about a mold issue or have had water damage, then you understand how troubling it can be to not know if you have a mold growth in your home. No one wants to deal with the stress of an unknown health issue and to make...


Firex AC Hardwired Combination Carbon Monoxide & Photoelectric Smoke Alarm  KN-COPE-IC
Firex AC Hardwired Combination Carbon Monoxide & Photoelectric Smoke Alarm KN-COPE-IC
By Kidde
In Stock
$65.99
$34.99
You Save: 47%

mpn: 21007624, ean: 7241870758759,

4.1 out of 5 stars with 51 reviews
Provides protection from fire and carbon monoxide in one unit with Photoelectric sensor.. Fire Warning - The red LED will flash and be accompanied by three long alarm beeps followed by a verbal warning message "FIRE! FIRE!". The alarm will repeat pat...


First Alert WA100-3 Water Alarm for Leak Detection and Flood Alerts, 3-Pack
First Alert WA100-3 Water Alarm for Leak Detection and Flood Alerts, 3-Pack
By First Alert
In Stock
$33.74

mpn: WA100-3, ean: 0029054007247,

4.6 out of 5 stars with 44 reviews
Help keep your valuable items safe from water damage with First Alert WA100-3 Water Alarms for Leak Detection and Flood Alerts. Ideal for basements, garages, laundry rooms, and bathrooms, these water detectors help you know the moment unwanted water ...


Automatic Door Safety Beam Sensor
Automatic Door Safety Beam Sensor
By Olide
In Stock
$45.90

mpn: 43237-2, ean: 6282234058468,

4.4 out of 5 stars with 108 reviews
Description: Sensor beam can be widely used for the security detection of automatic door system. Safety beam function: Microprocessed active infrared Single or double Microcells available Sensor head can be separated from shielded wire at the p...



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