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 ''000'' (3 min), that shows the unit in a normal situation. Low Power warning:  Carbon Monoxide Alarm alerts you to dangerous carbon monoxide,even in the event of a power outage. IF the alarm is low power,you can find the situation Sound:''Chirp''


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 industry standards in several crucial areas. Its four-year sensor life is 60% longer than the industry average, while its 24-hour run time exceeds the industry average by 71%. This versatile portable detector is a perfect match for industries ranging from


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-volt battery into each alarm, and the carbon monoxide detectors are ready to go. The advanced electrochemical CO sensors detect carbon monoxide leaks from multiple sources, such as faulty fuel-burning appliances, blocked chimneys, and generators


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 alarms Test button test unit's electronic circuitry, horn, safety light and battery functions Red LED flashes every 3-40 seconds to indicate that the smoke alarm is operating Test button UL listed Senosr type : AlarmSuitable for hallways and


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
No need to worry about faulty batteries with the Kidde i0910 10-Year Sealed Lithium Battery-Operated Smoke Alarm. This worry-free alarm contains a sealed-in lithium power supply that lasts the lifetime of the unit. Dependable and easy to install, this no-maintenance alarm saves on labor and battery costs over its lifetime. Save up to $60 in Battery Replacement Costs This worry-free smoke alarm can save you a lot of time and money over its lifetime (an estimated $60 over the 10 year life of the


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 all Fleetwood RVs. 30 SERIES-CLASSIC LP GAS ALARM Features: * Flush Mount, Brown * Meets requirements set by RVIA forLP Gas Alarmson RVs. * Test/Reset Button - Mute alarm during ventilation. Tests all detector functions with one touch.No dangerous


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, making it less sensitive. Used as a safety, reversing, or opening device in conjunction with automatic operators. Can be mounted in line of sight up to 75 feet. Supervised relay output provides a ''detect'' signal in case of power failure. Infrared


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 Siren Gen5's inbuilt, 430 mAh backup battery. Built upon Gen5 and Z-Wave Plus, Aeotec's Siren Gen5 offers customisation and configuration via Z-Wave including different tones for different emergencies, adjustment of the decibles to be quieter or


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
This First Alert hardwired smoke alarm includes a 9-volt battery backup that continues to protect you in the event of a power failure. The detector features an ionization sensor for detection of smoke and fast-flaming fires, as well as a loud, 85-decibel alarm. One button silences any nuisance alarms, and also tests detector functions, while lights indicate if the alarm detects smoke. The latching alarm indicator automatically identifies which unit initiated the alarm, even after the conditions


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
The Kidde KN-COEG-3 AC powered, plug-in CO and explosive gas alarm protects you and your family from two deadly threats. The KN-COEG-3 includes 9V battery back up that provides protection during a power outage, when AC-only units can not provide protection. By pressing the Peak Level Button you can see the peak CO level recorded by the alarm since it was last reset or unplugged. The continuous digital display shows you the level of carbon monoxide (if any) the unit is sensing as well as if gas


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 with your water sample, provide the requested information, place all items into the Free Return Mailer as directed and drop the mailer into your mailbox. *We send your lab report by email in 3 business business days after your sample is received at


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 businesses can use the one chime feature to announce customers entering the store. The chimes setting can be used to bring attention to someone entering an ''off limits'' area (in this mode the chime sounds for 30 seconds and then resets). The alarm


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
Kidde KN-COP-IC Hardwire Carbon Monoxide Alarm w/ Battery Backup & Digital DisplayDigital display displays the level of carbon monoxide the unit is sensingBattery pull tab eliminates battery installation time and keeps battery freshPeak level memory displays the highest CO concentration measured since the last resetTamper resist locking pin helps deter alarm tampering and theftKidde's carbon monoxide alarms meet the requirements of Underwriters Laboratories (UL), an independent facility that


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 warranty112 decibel sound can be heard up to 1/2 mile away.




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. This does not mean that it is not safe to consume. If you decide to consume it, ensure that it is well cooked. Spoiled - indicates that the product is harmful and should not be consumed in order to avoid possible food poisoning. Note: Always read


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 matters worse hiring a ''Professional'' can cost 4 to 5 hundred dollars. Put your mind at ease and use our test to be sure. Mold and the toxins they produce can be dangerous and they can also be hidden. Don't be fooled by instant check kits that


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
The Kidde Front-Loading Smoke and Carbon Monoxide alarm (part # 21007624) offers protection from two hazards – fire and CO – in one unit. Sold under the FireX brand, this AC-wire with battery backup alarm emits a beeping tone followed by a voice warning that clearly announces the danger by saying, “Fire! Fire!” or “Warning! Carbon Monoxide!”. The uniquely designed frontloading battery compartment makes battery replacement quick and easy, and ensures proper installation. Manufactured


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 appears in your home. Place one of the leak alarms at the bottom of a washing machine, water heater, or toilet, or in any room where there is fear of flooding. If a unit senses water, it will emit a loud 85-decibel alarm that will continue for up to


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 plugs for easy installation. Available with short or long cables Low power consumption 12V-24V AC/DC Universal power input. Safety beam technical specification: Supply power: AC/DC 12-36V Static current: 25mA Action current: 40mA The



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