Household Sensors & Alarms - Blowout Sale! Save up to 73%


Blowout Sale! Up to 73% off on Household Sensors & Alarms at Donations Central. Top brands include Lecoolife, Zircon, General Tools, SHHCKKEHG, Baldwin Meadows, First Alert, SITERWELL, MarCELL, RUNMIND, CSH Incorporated, Home & Tools, Kidde, Universal Security Instruments, & Tools Supply. Hurry! Limited time offers. Offers valid only while supplies last.



Lecoolife 2 Pack Smoke Detector Fire Alarm Built-in 10 Year Sealed Battery with Photoelectric Sensor
Lecoolife 2 Pack Smoke Detector Fire Alarm Built-in 10 Year Sealed Battery with Photoelectric Sensor
By Lecoolife
In Stock
$26.99

mpn: SD 01, ean: 0732755370922,

4.2 out of 5 stars with 71 reviews
10 YEARS BATTERY SMOKE DETECTOR ALARM A sealed CR123A lithium battery boasts high capacity, great stability, and a long lifespan up to 10 years, avoiding the hassle of frequently changing battery SUPERIOR ALARM PERFORMANCE Proven performance for detecting smoke from hidden and slow-burning fires; photoelectric sensor can also detect dangerous fast-burning fires that can cause extreme damages; powerful 85 dB alarm tone will sound through your entire home and instantly alert those in danger


Zircon Leak Alert Home Pack - Electronic Water Detector with Audio Alarm (5 Pack) - Batteries Included - FFP
Zircon Leak Alert Home Pack - Electronic Water Detector with Audio Alarm (5 Pack) - Batteries Included - FFP
By Zircon
In Stock
$40.06
$40.05

mpn: 68319, ean: 0042186683196,

4.3 out of 5 stars with 16 reviews
The Zircon Leak Alert electronic water detector is now available in a 2, 5 or 8 Pack. This Home Pack includes 5 leak detectors to meet the specific needs of your property. Please note batteries are included in the five pack. The Leak Alert is a water sensor that emits a loud (85Db)  alarm that will sound with any direct water contact. Protect your property from water damage by placing your Leak Alert in any place that has potential for flooding or leaks such as near water heaters, sinks,


General Tools WA700SEN Replacement/Additional Sensor-Transmitter and Battery for WA700
General Tools WA700SEN Replacement/Additional Sensor-Transmitter and Battery for WA700
By General Tools
In Stock
$14.99

mpn: WA700SEN, ean: 0681035016947,

4.0 out of 5 stars with 89 reviews
Replacement/Additional Sensor-Transmitter and Battery for WA700 - See more in General Tools website.GENERAL TOOLS - THE PRECISE TOOL FOR DOING THE JOB EXACTLY RIGHT. Offering over 1,000 tools, we’re proud to provide tradesmen, craftsmen and DIYers around the world with a broad range of affordable, specific-purpose mechanical hand tools and precision measuring and inspection tools. For inquiries, please contact our Customer Service Department at 212-431-6100. We strive to provide our customers


Natural Gas Detector / Propane / Methane ,Leak Sensor Detector with Voice Warning and Digital Display
Natural Gas Detector / Propane / Methane ,Leak Sensor Detector with Voice Warning and Digital Display
By SHHCKKEHG
In Stock
$29.99

mpn: XDDJJY7866, ean: 0604348215531,

4.5 out of 5 stars with 146 reviews
This product is an intelligent voice combustible gas detector, microprocessor control, built-in voice chip, display gas concentration. This product using catalytic combustion sensor which is high stability, will minimizing sensitivity drift and so on. Mainly used in the kitchen that has combustible gases (such as liquefied petroleum gas, natural gas, biogas, etc.), detect the gas leaks, protect personal safety . We also provide an Ebook about the GAS AND AIR QUALITY HAZARDS bundled with this


Drinking Water Test Kit 9 in 1 - Best Water Quality Test for Well Water and Tap Water - Determines pH - Lead - Total Hardness - Copper - Alkalinity & More - 100 Ct - Accurate Results in Seconds!
Drinking Water Test Kit 9 in 1 - Best Water Quality Test for Well Water and Tap Water - Determines pH - Lead - Total Hardness - Copper - Alkalinity & More - 100 Ct - Accurate Results in Seconds!
By Baldwin Meadows
In Stock
$19.99

mpn: 9 Parameter, ean: 0866555000403,

4.6 out of 5 stars with 126 reviews
Baldwin Meadows has developed a way to test the water with an easy to use at-home water analysis test kit. Our 9-in-1 water testing strips help determine the quality of your water using the following parameters: Total Alkalinity pH Total Hardness Iron Copper Lead Nitrite Nitrate Free Chlorine What is in your drinking water? According to the EPA, 41 states have reported higher than acceptable levels of lead in drinking water. A 2016 Harvard study found industrial chemicals and pollutants


First Alert SMOKE1000-3 Atom Micro Photoelectric Smoke Alarm 3 Pack
First Alert SMOKE1000-3 Atom Micro Photoelectric Smoke Alarm 3 Pack
By First Alert
In Stock
$74.99

mpn: SMOKE1000-3, ean: 0029054013828,

4.5 out of 5 stars with 65 reviews
First Alert SMOKE1000-3 Atom Micro Photoelectric Smoke Alarms provide the same maximum protection of traditional photoelectric smoke alarms in a streamlined, miniature design. Measuring just 1.87 inches in diameter, each of the micro smoke alarms in this pack of three has a more stylish and less obtrusive appearance than a standard alarm. These smoke detectors each features optical photoelectric sensing technology for accurate detection and reduced nuisance alarms from cooking smoke or shower


2 Pack SITERWELL Smoke Detector and Battery Operated Smoke and Fire Alarm 10 Years Photoelectric Smoke Alarm with UL Listed, 9V Battery Included (GS528A)
2 Pack SITERWELL Smoke Detector and Battery Operated Smoke and Fire Alarm 10 Years Photoelectric Smoke Alarm with UL Listed, 9V Battery Included (GS528A)
By SITERWELL
In Stock
$21.99

mpn: GS528A, ean: 0721047998630,

4.1 out of 5 stars with 59 reviews
The battery-powered SITERWELL Photoelectric smoke detectoris designed to protect you and your family from the dangers of smoke and fire. 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 does not contain any radioactive material. Easy installation--no wiring required Powered by 9-volt battery (battery include) for continuous protection even during


MarCELL 500 Cellular monitoring system
MarCELL 500 Cellular monitoring system
By MarCELL
In Stock
$199.00

mpn: MAR-500A, ean: 0733876000255,

4.8 out of 5 stars with 145 reviews
MarCELL Cellular monitoringSecure cellular based system. No landline or internet required in property being monitored. Easy to use. Affordable way to protect your properties. Instant notification of issues via text, email or phone call. Water Alert, leak monitoring, water sensor available. Review history or get instant updates on current conditions.


RUNMIND Combustible Gas Detector Methane Natural Gas Leak Analyzer Tester Alarm Leakage Detect Tool for Home Air Condition Sniffer
RUNMIND Combustible Gas Detector Methane Natural Gas Leak Analyzer Tester Alarm Leakage Detect Tool for Home Air Condition Sniffer
By RUNMIND
In Stock
$29.99

mpn: 733403650465, ean: 0733403650465,

4.5 out of 5 stars with 77 reviews
Features:1.Portable detector for detecting all combustible gas.2.Long flexible stainless probe reaches all areas.3.Audible semiconductor probe and auto fast warm-up.4.Instant response, pinpoint leak position and low battery indication.5.Audio & visible leakage alarm indication and adjustable sensitivity.6.Compact size, light weight, easy to carry and operate.Specifications:1.High Quality2.Color: Red + Black / Green + Black (The color we will send to you randomly)3.Material: ABS


General Tools CGD900 Intrinsically Safe MSHA Approved Combustible Gas Leak Detector
General Tools CGD900 Intrinsically Safe MSHA Approved Combustible Gas Leak Detector
By General Tools
In Stock
$299.00
$227.49
You Save: 24%

mpn: CGD900, ean: 0971483007377,

4.2 out of 5 stars with 23 reviews
General's CGD900 Intrinsically Safe MSHA Approved Combustible Gas Leak Detector is ideal for detecting more combustible gases (including hydrocarbons) than competitive units. It detects methane, propane, ethane, butane, hydrogen, ethylene, ethanol, ISO-butane, NOL, gasoline, acetylene, methyl ether, ammonia, hydrogen sulfide, industrial solvents, benzene, alcohols, acetone, toluene and xylene. Numeric LED display of sensitivity and heated sensor technology. Features long life sensor, unique


First Alert SA305CN Smoke Alarm with Long Life Lithium Battery
First Alert SA305CN Smoke Alarm with Long Life Lithium Battery
By First Alert
In Stock
$28.99
$7.95
You Save: 73%

mpn: FBA_SA305CN3, ean: 0111012200002,

4.0 out of 5 stars with 51 reviews
Help keep your home and family safe with this First Alert SA305CN Smoke Alarm with Long Life Lithium Battery. The battery effectively provides up to 10 years of continuous monitoring, while the ionization sensor is especially effective at detecting smoke from flaming fires such as paper and grease fires. It also features a loud 85-decibel alarm and includes a convenient single test/silence button for fast muting in the event of nuisance alarms from cooking smoke or shower steam. The


Failed Circuit Alarm (New Style)
Failed Circuit Alarm (New Style)
By CSH Incorporated
In Stock
$43.17
$34.68
You Save: 20%

mpn: 1,

4.6 out of 5 stars with 8 reviews
FCA12-11 Failed Circuit Alarm, 110 / 120 volt Power failure detection with power present light and auto reset Features: 9 ft cord Test button Toggle on/off switch 85 to 90 Decibel Buzzer Velcro Mount up to 9 foot from outlet Fits and monitors the standard 110 / 120V outlet Easy installation and a 1 year limited warranty Alarms approx 36 + hours on new quality battery 9-Volt battery operates alarm (battery NOT Included) 115v plug with a low voltage 9 Volt transformer powers unit Green power


Kidde i4618 Firex Hardwire Ionization Smoke Detector with Battery Backup CustomerPackageType: Frustration-Free Packaging Color: White Size: 1 Pack Model: 21026063 Tools & Home Improvement
Kidde i4618 Firex Hardwire Ionization Smoke Detector with Battery Backup CustomerPackageType: Frustration-Free Packaging Color: White Size: 1 Pack Model: 21026063 Tools & Home Improvement
By Home & Tools
In Stock
$20.24

mpn: RNTLS-PN-732147133, ean: 5448095879425,

4.0 out of 5 stars with 135 reviews
Red LED flashes until reset for quick, clear identification of initiating smoke alarm in. Visible low battery indicator helps locate chirping unit. Front loading battery door makes battery changing simple, power link tab makes installation faster. False alarm control quiets unwanted alarms for up to 8 minutes. Interconnects with other compatible Firex smoke alarms and heat alarms.


Kidde Battery Operated Carbon Monoxide Alarm with Digital Display KN-COPP-B-LPM
Kidde Battery Operated Carbon Monoxide Alarm with Digital Display KN-COPP-B-LPM
By Kidde
In Stock
$54.49
$18.00
You Save: 67%

mpn: 21008873, ean: 0716080045267,

4.4 out of 5 stars with 116 reviews
The Kidde KN-COPP-B-LPM battery operated CO alarm provides continuous monitoring of CO levels, even during power outages when many CO incidents occur. The digital display feature allows for easy viewing of carbon monoxide levels from 30-999 PPM (parts per million). The KN-COPP-B-LPM will also detect and store concentration CO levels as low as 11 and up to 999 PPM with its peak level memory display. This alarm includes a slide-out battery door that gives immediate access to the batteries and a


Worry-Free Hardwired Smoke & Carbon Monoxide Alarm with Lithium Battery Backup I12010SCO
Worry-Free Hardwired Smoke & Carbon Monoxide Alarm with Lithium Battery Backup I12010SCO
By Kidde
In Stock
$63.00
$38.96
You Save: 38%

mpn: 21010408-N, ean: 0047871265152,

4.6 out of 5 stars with 44 reviews
The Kidde i12010SCO is a hardwired combination smoke and carbon monoxide alarm that contains a 10-year, sealed battery backup. This alarm uses breakthrough technology to offer a fast response to real fires, including smoldering and fast-flaming, as well as protect you from carbon monoxide and dramatically reduce the chance of nuisance alarms. The Intelligent sensor technology combines the detection capabilities of an ionization smoke sensor – which is more likely to detect smaller, less


USI Electric MIC1509S Hardwired 3-in-1 Universal Smoke Sensing & Carbon Monoxide Combination Alarm with 10-Year Sealed Battery Backup
USI Electric MIC1509S Hardwired 3-in-1 Universal Smoke Sensing & Carbon Monoxide Combination Alarm with 10-Year Sealed Battery Backup
By Universal Security Instruments
In Stock
$32.90

mpn: MIC1509S, ean: 0042741315098,

4.2 out of 5 stars with 67 reviews
The USI Electric MIC1509S Hardwired 3-in-1 Universal Smoke Sensing & Carbon Monoxide Combination Alarm provides continuous protection against three deadly threats within the home. Newly patented Universal Smoke Sensing Technology offers the benefits of both photoelectric and ionization alarms in one device to protect against fast-flaming and slow-smoldering fires. This alarm also features protection against the silent killer - carbon monoxide - making it a 3-in-1 device. The ideal addition for


First Alert RD1 Radon Gas Test Kit
First Alert RD1 Radon Gas Test Kit
By First Alert
In Stock
$13.98

mpn: RD1, ean: 6292753210599,

4.6 out of 5 stars with 54 reviews
The First Alert RD1 Radon Gas Test Kit detects dangerous radon gas in your home, work, or institution. Radon is a naturally occurring gas that can cause lung cancer, and can be found in basements, drains, crawl spaces, and other areas below ground. Simple, safe, and easy to use, this radon testing kit includes everything you need for an initial screening, including lab fees (except NJ state tests). The test is listed with the EPA and takes two to four days to complete in your home. Results are


Kidde Battery Operated Wireless Interconnect Smoke Alarm  RF-SM-DC
Kidde Battery Operated Wireless Interconnect Smoke Alarm RF-SM-DC
By Kidde
In Stock
$26.22

mpn: GID-604028, ean: 0047871055579,

4.7 out of 5 stars with 100 reviews
Battery Operated Wireless Smoke Alarm, Quickly & Easily Install An Interconnected Alarm System, Includes Ionization Sensor, Not Available To Members In Oregon. This product adds a great value. Product is highly durable and very easy to use. This product is manufactured in China. The Kidde 0919-9999 Battery-Operated Wireless Smoke Alarm allows for the easy installation of an interconnected smoke alarm system without the high cost and hassle of rewiring your home. The alarms are wirelessly linked


Kidde i9010 Sealed Lithium Battery Power Smoke Alarm
Kidde i9010 Sealed Lithium Battery Power Smoke Alarm
By Kidde
In Stock
$25.45
$15.99
You Save: 37%

mpn: 442007, ean: 0047871260553,

4.6 out of 5 stars with 123 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


Kidde KN-COB-IC Hardwire Carbon Monoxide Alarm with Battery Backup, Interconnectable (2 Pack) Size: 2 Pack, Model: 21006406, Tools & Hardware store
Kidde KN-COB-IC Hardwire Carbon Monoxide Alarm with Battery Backup, Interconnectable (2 Pack) Size: 2 Pack, Model: 21006406, Tools & Hardware store
By Tools Supply
In Stock
$57.89
$57.88

mpn: PRD-PNN-9454155, ean: 7535001786125,

4.5 out of 5 stars with 27 reviews
Kidde's KN-COB-IC hardwire carbon monoxide interconnectable alarm with battery backup helps to provide your home with comprehensive protection against the dangerous threat posed by the odorless and colorless gas. With an increasing number of state and local governments passing legislation requiring CO detectors in homes, it's never been a better time to safeguard your family against carbon monoxide exposure.Battery pull tab eliminates battery installation time and keeps battery fresh. Quick



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