Household Sensors & Alarms - Page 2 - Blowout Sale! Save up to 88%


Blowout Sale! Up to 88% off on Household Sensors & Alarms at N Online Agency, Page 2. Top brands include Kidde, Centralite, Topvico, Reliance Products, Sobrovo, Level Sense, CoolCam, First Alert, Sunnec, STARNY, EZVIZ, Ardwolf, vitowell, leakSMART, EG Air, & Reusable Revolution. Hurry! Limited time offers. Offers valid only while supplies last.



Worry-Free Combination Smoke & Carbon Monoxide Alarm with Lithium Battery P3010CU
Worry-Free Combination Smoke & Carbon Monoxide Alarm with Lithium Battery P3010CU
By Kidde
In Stock
$80.42
$39.83
You Save: 50%

mpn: 21026065, ean: 0047871260652,

4.9 out of 5 stars with 100 reviews
The Kidde P3010CU is a 10-year, sealed battery, smoke and carbon monoxide alarm with a voice warning system that features photoelectric and electrochemical sensing technology with Smart Hush feature. This combination alarm combines the detection capabilities of a photoelectric sensor with that of an electrochemical sensor, which is used to detect CO. When either sensor notices a potential hazard, it will communicate with the other. Depending on what is detected, the alarm will adjust its smoke


Kidde Hardwire Smoke Alarm
Kidde Hardwire Smoke Alarm
By Kidde
In Stock
$13.97
$10.99
You Save: 21%

mpn: I4618, ean: 0047871075850,

4.0 out of 5 stars with 35 reviews
Hardwired replacement smoke alarm unit. Also has Battery back up.This Certified Refurbished product is tested and certified to look and work like new. The refurbishing process includes functionality testing, basic cleaning, inspection, and repackaging. The product ships with all relevant accessories, a minimum 90-day warranty, and may arrive in a generic box..


Centralite Water Leak Sensor (Works with SmartThings, Wink, Vera, and ZigBee platforms)
Centralite Water Leak Sensor (Works with SmartThings, Wink, Vera, and ZigBee platforms)
By Centralite
In Stock
$34.99

mpn: 3315-C, ean: 0812489022684,

4.7 out of 5 stars with 87 reviews
Protect your home from expensive leaks and floods by installing a water sensor near water heaters, drain pans, and underneath sinks. The water sensor is small, easy-to-use, and fits almost anywhere. Place the sensor directly on the ground and it will notify you when it detects the presence of water.Works with SmartThings, Wink, Vera, and ZigBee platforms. Detect leaks from washing machines, water heaters, sinks, toilets, bathtubs, burst pipes, air conditioners, and basements.. Stop leaks and


Topvico Flood Alarm Water Leak Sensor Detector 130dB Work Alone Home Security 3 Pack
Topvico Flood Alarm Water Leak Sensor Detector 130dB Work Alone Home Security 3 Pack
By Topvico
In Stock
$19.99
$14.95
You Save: 25%

mpn: 43237-2, ean: 0603894417086,

4.0 out of 5 stars with 56 reviews
- Quantity: 3 pack- 130dB loud alarm voice - High sensitive detect board - 3M double side paster for easy install - 37.8 inches cable, easy extend by user - Supply by 9V battery (not include), battery life will be about 12 months for normal use (low quality battery about 6 months, very high frequency alarm or testing, battery life will be shorter)Note: If the detection board is placed directly on metal, please put a piece paper under the board to avoid false alarms.130dB loud alarm voice, keep


Reliance Controls Corporation THP208 Phone-In Freeze Checker
Reliance Controls Corporation THP208 Phone-In Freeze Checker
By Reliance Products
In Stock
$22.28
$22.22

mpn: THP208, ean: 0851890000874,

4.2 out of 5 stars with 125 reviews
The Reliance Controls Corporation THP208 Phone-In Freeze Checker is used to check any telephone system. You have to simply connect the checker to any phone system, then call-in to check for low or falling temperature. If there is no problem, the phone will simply continue to ring. A tone on the line means there is a falling temperature or freeze condition. It works with your existing phone and answering machines. Has three temperature settings 40 degrees, 46 degrees or 52 degrees. No batteries


Smoke Alarms, Photoelectric Smoke Detector and Fire Alarm with Light Sound Warning 9V Battery (Included) Powered Fire Safety for Home Hotel School etc Passed UL Certification
Smoke Alarms, Photoelectric Smoke Detector and Fire Alarm with Light Sound Warning 9V Battery (Included) Powered Fire Safety for Home Hotel School etc Passed UL Certification
By Sobrovo
In Stock
$99.99
$11.99
You Save: 88%

mpn: Sobrovo, ean: 0761330002576,

4.8 out of 5 stars with 91 reviews
Feature: ★ This unit is a photoelectric smoke alarm. The photoelectric technology ,it is more sensitive in detecting slow  smoldering fires which generate light smoke, little heat and may smolder for hours before bursting into flames. ★ This smoke alarm dose not contain any radioactive material.Smoke alarms should be installed in every room (except the bathroom and kitchen),finished attics and basements, making sure the people in the home will be able to hear and respond to the alarm


Level Sense 15 Feet Water Level Float Switch with Mounting Brackets
Level Sense 15 Feet Water Level Float Switch with Mounting Brackets
By Level Sense
In Stock
$18.95

mpn: LS-FLOAT-KIT, ean: 0635797716522,

4.4 out of 5 stars with 43 reviews
The switch may actuate a pump, an indicator, an alarm, or other device. It is rated for only for use with DC (not AC) applications up to 1.5 AMPs. It can be easily converted from normally open to normally close by inverting the float.This unit can also be an accessory to the Level-Sense line of water and leak detection equipment. Max. Contact Rating:  50W Max. Switching Voltage:  100VDC  /  200VDC Max. Switching Current:   1.5A Max. Initial Contact Resistance: (Do not include the wire) 


Coolcam Smart Wi-Fi Water Sensor, Flood and Leak Detector Alarm and App Notification Alerts, No Hub Required, Simple Plug & Play Set Up
Coolcam Smart Wi-Fi Water Sensor, Flood and Leak Detector Alarm and App Notification Alerts, No Hub Required, Simple Plug & Play Set Up
By CoolCam
In Stock
$29.95

mpn: NAS-WS01W, ean: 0708041910509,

4.1 out of 5 stars with 29 reviews
Live smarter and make your life easier. Coolcam Water Sensor allows you to improve the safety of your home and family easily and effectively. With discreet compact design, these water sensors provide instant and reliable performance as part of your home automation system. NAS-WS01W is a water flood sensor signed to be affixed to a wall or floor to detect any water leakage. Once connected to your wifi router, the sensor will send alarm through push notification on your smartphone when the water




Kidde RemoteLync Monitor 120V Plug-In
Kidde RemoteLync Monitor 120V Plug-In
By Kidde
In Stock
$99.00
$49.41
You Save: 50%

mpn: 21026465, ean: 0047871258246,

4.5 out of 5 stars with 137 reviews
RemoteLync notifies homeowners of a home emergency when they're away – offering peace of mind at a great value. Ideal for a primary residence, vacation home or rental property, the device plugs into a single outlet, listens for a smoke or carbon monoxide alarm, and uses the home's; WiFi to remotely alert the homeowner on iOS- and Android- compatible phones and tablets.*The RemoteLync monitoring solution works with a home's existing alarms and Wi-Fi and does not require additional products or


Sunnec Carbon Monoxide Alarm with Voice Warning,CO Alarm Detector with Digital Display
Sunnec Carbon Monoxide Alarm with Voice Warning,CO Alarm Detector with Digital Display
By Sunnec
In Stock
$16.97

mpn: SUN2006, ean: 0614024729498,

4.2 out of 5 stars with 96 reviews
► Why should we use a carbon monoxide monitor?► What are the risks of carbon monoxide?Carbon Monoxide (CO) is the leading cause of accidental poisoning deaths in America. However, there are still many people unaware that they are suffering from CO poisoning. Symptoms of CO poisoning are not noticeable, you might not even know you're in danger until it's too late. That's why a carbon monoxide alarm is a good choice for you to protect your family. It can detect the CO you can't see,


Coolcam Smart Wi-Fi Water Sensor, Flood and Leak Detector Alarm and App Notification Alerts, No Hub Required, Compatible with Alexa and Google Home 2PK
Coolcam Smart Wi-Fi Water Sensor, Flood and Leak Detector Alarm and App Notification Alerts, No Hub Required, Compatible with Alexa and Google Home 2PK
By CoolCam
In Stock
$57.95

mpn: NAS-WS01W2PK, ean: 0708041910523,

4.2 out of 5 stars with 64 reviews
Live smarter and make your life easier. Coolcam Water Sensor allows you to improve the safety of your home and family easily and effectively. With discreet compact design, these water sensors provide instant and reliable performance as part of your home automation system. NAS-WS01W is a water flood sensor signed to be affixed to a wall or floor to detect any water leakage. Once connected to your wifi router, the sensor will send alarm through push notification on your smartphone when the water


Ammonia Gas Detector Professional NH3 Meter Gas concentration analyzer Temperature MeasurementAlarm Value Settable
Ammonia Gas Detector Professional NH3 Meter Gas concentration analyzer Temperature MeasurementAlarm Value Settable
By STARNY
In Stock
$228.00

ean: 0712994968692,

4.1 out of 5 stars with 34 reviews
Portable hydrogen sulfide detector with compact size and light weight is easy to carry and operate. It can display hydrogen sulfide concentration and temperature at the same time. Specifications: Detection Gas: Hydrogen Sulfide Measuring Unit: PPM Range: 0-500ppm Response time: < 30s Alarm: Sound, Light and Vibration Alarm Operating Temperature: -15°C ~ 50°C Operating Humidity: 5%-95%RH(no condensation) Power Supply: 3 * 1.5V AAA Batteries(not included) Item Size: 11.5 * 6 * 2.5cm / 4.53 *


EZVIZ Add-on Camera for Mini Trooper Wire-Free Indoor/Outdoor Security System, Works with Alexa (Base Station Required)
EZVIZ Add-on Camera for Mini Trooper Wire-Free Indoor/Outdoor Security System, Works with Alexa (Base Station Required)
By EZVIZ
In Stock
$109.99

mpn: EZMINTRP, ean: 0842571102291,

4.4 out of 5 stars with 26 reviews
Capture every moment with the Mini Trooper HD indoor/outdoor add-on camera. Completely Wire-free/battery operated with up to 9 months of battery life means you will never miss a thing. Base Station required. ''''Alexa Show me the Living Room'''' With the EZVIZ skill and Alexa, you can now interact with your Mini Trooper using your voice through Alexa and Echo Show. View Enjoy EZVIZ HDα image quality, 116° wide angle coverage, night vision and motion detection. Flexible Placement With its


Smoke Detector, Ardwolf 2 Pack Photoelectric Smoke Fire Alarm UL Listed GS528A Battery-Powered (9V Battery Included),10 Years Life Time, Save Lives When Fire Happen at Home, Hotel, School
Smoke Detector, Ardwolf 2 Pack Photoelectric Smoke Fire Alarm UL Listed GS528A Battery-Powered (9V Battery Included),10 Years Life Time, Save Lives When Fire Happen at Home, Hotel, School
By Ardwolf
In Stock
$21.99

mpn: GS528A2pack, ean: 6761342270394,

4.2 out of 5 stars with 99 reviews
Photoelectric Technology: Ardwolf smoke alarms with photoelectric technology which is optimized to detect slow smoldering fires which generate light smoke, little heat and may smolder for hours before bursting into flames.. Battery-Powered: This Fire detector is powered by one 9V battery(included), it will not be affected by power outage. When an intermittent ''chirp'' accompanied by a red LED flash every 32 seconds indicates a low battery.. 10 Years Life Time: UL Listed Battery-Powered, low


Combination Photoelectric Smoke Detector/Carbon Monoxide Detector for Home, Battery Operated Travel Portable Fire CO Alarm with Sound Warning and Digital Display
Combination Photoelectric Smoke Detector/Carbon Monoxide Detector for Home, Battery Operated Travel Portable Fire CO Alarm with Sound Warning and Digital Display
By vitowell
In Stock
$25.99
$19.99
You Save: 23%

mpn: B07B2RVB97, ean: 0795891139013,

4.8 out of 5 stars with 42 reviews
This combination smoke/CO alarm features an 85dB horn and voice that announces ''Fire'', ''Carbon Monoxide'', and ''Low Battery'' warnings when detected. Meets NFPA 72 standards Smoke and Carbon Monoxide Alarm, Detection Method Ionization, Electrochemical, Up to 24 Units Interconnection Capability, Audible Alert 85dB @ 10 ft., Horn, Visual Alert Red LED, Diameter 5-3/4 In., Height 1-3/4 In., Digital Readout Yes, Battery Backup Yes, Features Voice Warning, Peak Level Memory, Reset Button, Hush


Water Leak Sensor Range Extender by leakSMART, Maximizes In-Home Flood Protection Coverage
Water Leak Sensor Range Extender by leakSMART, Maximizes In-Home Flood Protection Coverage
By leakSMART
In Stock
$99.00

mpn: 8850700, ean: 0028905885072,

4.6 out of 5 stars with 14 reviews
Once your leakSMART system is successfully installed and set up, make sure to check the signal strength of each one of your leakSMART sensors within the leakSMART app. If any of your sensors indicate a signal strength of one bar or less, consider adding a leakSMART sensor range extender. The extender will boost weaker signal strength and ensure communication among your leakSMART devices throughout your home. The optional leakSMART sensor range extender will notably expand the range of your


First Alert CO615FF Frust Free Dual Power Carbon Monoxide Plug-in Alarm with Battery Backup and Digital Display
First Alert CO615FF Frust Free Dual Power Carbon Monoxide Plug-in Alarm with Battery Backup and Digital Display
By First Alert
In Stock
$32.58

mpn: CO615FF, ean: 0029054015907,

4.3 out of 5 stars with 49 reviews
The First Alert CO615 carbon monoxide alarm uses an electrochemical carbon monoxide sensor-the most accurate technology available. Installation is as simple as plugging it in to any wall outlet. Its easy-to-read backlit digital LED display gives you a clear read-out of current CO concentrations in parts per million. The alarm includes a battery back-up giving you peace of mind in a power outage. The front-open battery compartment allows easy battery change without dismounting the alarm. The


Propane/Natural Gas Sniffer Detector, Gas Leak Alarm, Portable Combustible Explosive Gas Sensor, Tester: Methane, Butane, LPG, LNG; Sound & LED Light Warning (Portable Sniffer)
Propane/Natural Gas Sniffer Detector, Gas Leak Alarm, Portable Combustible Explosive Gas Sensor, Tester: Methane, Butane, LPG, LNG; Sound & LED Light Warning (Portable Sniffer)
By EG Air
In Stock
$29.99

mpn: EGD-YZ1,

4.1 out of 5 stars with 65 reviews
As the only US retailer of this item, we work with the original manufacturer that makes all products of this design (search B07BM1XWB8); otherwise, any return cost is on us. Get expert support with our chemist on staff to answer any technical questions. Also included is a 20+ page eBook on Gas & Air Quality Hazards that is emailed at the time of item delivery.Do you smell a gas leak?Help find the source of a gas leak by running sensor probe along length of gas pipe suspected to be source of


Wireless Home Security System - 1x Alarm + 2x Sensor Set by Reusable Revolution
Wireless Home Security System - 1x Alarm + 2x Sensor Set by Reusable Revolution
By Reusable Revolution
In Stock
$19.99

mpn: TN-1200665, ean: 0841478129004,

4.7 out of 5 stars with 7 reviews
Protect your home from unwanted visitors with this Wireless Home Security System Alarm & Sensor Set by Reusable Revolution! This easy to install security system can be placed near garage or front doors, store entrances, or driveways, to let you know when someone enters the area. An infrared induction distance of 5 - 8m can easily detect traffic and movement, and sounds to alert you. Two sound options - chime or siren - feature a volume of up to 90 dB within 0.5 m, and the chime volume can be



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