Household Sensors & Alarms
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Good Deal$14.99Ring Alarm Contact Sensor - 2nd Gen | Instant Window & Door Alerts | Approximately 3-Year Battery Life | Slim Design Fits Any Frame | Easy Installation | Base Station Required25% OffOnline - Amazon.comTypically:$19.99Save $5.00 
$9.79SABRE Wedge Door Stop Security Alarm with 120 Decibel Siren22% OffOnline - WalmartTypically:$12.49Save $2.70
$20.00Kidde WiFi Water Leak Detector & Freeze Alarm, Alexa Device, Smart Leak Detector for Homes with App Alerts,White17% OffOnline - Amazon.comTypically:$23.99Save $3.99
$131.49Airthings 2950 Wave Radon - Smart Radon Detector with Humidity & Temperature Sensor – Easy-to-Use – Accurate – No Lab Fees – Battery Operated - Free App16% OffOnline - Amazon.comTypically:$156.24Save $24.75- Best Seller
Best Seller$17.10First Alert SM210, 10-Year Sealed Battery Smoke Alarm with Slim Profile Design, 1-Pack47% OffUsed - Amazon.comTypically:$32.43Save $15.33 
$35.99First Alert SMCO100 Battery-Operated 2-in-1 Smoke and CO Alarm11% OffOnline - WalmartTypically:$40.28Save $4.29
$33.99First Alert SM100V-AC, Interconnect Hardwire Smoke Alarm with Battery Backup & Voice Alerts, 1-PackOnline - Amazon.comTypically:$37.32Save $3.33
$35.99BRK Battery-Powered Ionization Smoke and Carbon Monoxide DetectorOnline - WalmartTypically:$39.43Save $3.44
$33.99BRK Voice and Locatio Hard-Wired w/Battery Back-up Photoelectric Smoke DetectorOnline - WalmartTypically:$36.88Save $2.89
$50.45First Alert GCO1CN Combination Explosive Gas and Carbon Monoxide Alarm with Backlit Digital Display10% OffOnline - WalmartTypically:$55.80Save $5.35
$38.92Tire Pressure Monitoring System Sensor Fits select: 2007-2011 TOYOTA CAMRY, 2007-2013 TOYOTA COROLLAOnline - WalmartTypically:$40.54Save $1.62
$150.05First Alert SMICO105-AC, Interconnect Hardwire Combination Smoke & Carbon Monoxide Alarm with 10-Year Battery Backup, 3-PackOnline - Amazon.comTypically:$156.07Save $6.02
$24.84First Alert 1046834, Electric Precision Detection Smoke AlarmsOnline - WalmartTypically:$26.91Save $2.07
$40.95First Alert CO5120BN White Digital Display Hardwired Battery, Electrochemical Carbon Monoxide AlarmOnline - WalmartTypically:$42.07Save $1.12
$114.65First Alert SMCO100 Battery-Operated Combination Smoke & Carbon Monoxide Alarm - 3 PackOnline - Amazon.comTypically:$117.53Save $2.88- Best Seller
Best Seller$143.08First Alert SMICO100-AC Interconnect Hardwire Combination Smoke & Carbon Monoxide Alarm with Battery Backup - 3 PackOnline - Amazon.comTypically:$145.53Save $2.45 - Best Seller
Best Seller$48.99First Alert SMI100, Battery-Operated Smoke Alarm, 3-PackOnline - Amazon.comTypically:$49.81Save $0.82 
$156.97First Alert Combination Smoke & Carbon Monoxide Alarm, Interconnect Hardwire Detector with Battery Backup and Voice & Location Alerts, SMCO100V-AC, 3-PackOnline - Amazon.comTypically:$159.18Save $2.21- Best Seller
Best Seller$19.49First Alert SMI100-AC, Hardwire Interconnect Smoke Alarm with Battery Backup, 1-PackOnline - Amazon.comTypically:$19.61Save $0.12 
$50.45FIRST ALERT Combination Explosive Gas and Carbon Monoxide Alarm with Backlit Digital Display, GCO1CNOnline - Amazon.comTypically:$50.45
$49.98Leviton White Ceiling Mount Occupancy Motion Sensor, 1000-Watt/120-Volt Switching Relay, 360 Degree Field Of Vision,Online - Home DepotTypically:$49.97
$60.48New 2025 First Alert SMCO410 Z-Wave Battery-Powered Smoke Detector & Carbon Monoxide Alarm, Works with Ring Alarm Base Station, Single Pack, WhiteOnline - Amazon.comTypically:$59.64- Best Seller
Best Seller$24.59First Alert Smoke Alarm, 10-Year Sealed Battery Detector with Test & Silence Button, SMI110, 1-PackOnline - Amazon.comTypically:$24.48 
$29.79First Alert Hardwired Heat Alarm with Battery Backup, BRK Brands HD6135FBOnline - Amazon.comTypically:$29.33
$308.17First Alert SMCO100V-AC, Interconnect Hardwire Combination Smoke & Carbon Monoxide Alarm with Battery Backup and Voice & Location Alerts, 6-PackOnline - Amazon.comTypically:$306.27
$203.73First Alert Interconnect Hardwire Smoke Alarm with Battery Backup & Voice Alerts, 6-PackOnline - Amazon.comTypically:$200.39
$7.71Edwards Signaling 45 Rolling Ball Contactors63% OffUsed - Amazon.comTypically:$21.05Save $13.34
$34.94Universal Security Instruments, Sensing Plus, Hardwired Smoke & Fire Alarm, Multi-Criteria Detection, with 10 Year Battery BackupOnline - WalmartTypically:$34.94
$299.99BRK 6 PK With Voice Hard-Wired w/Battery Back-Up Photoelectric Smoke and Carbon Monoxide DetectorOnline - WalmartTypically:$303.37Save $3.38- Best Seller
Best Seller$43.26First Alert SMICO110, 10-Year Battery Combination Smoke & Carbon Monoxide Alarm, 1-PackOnline - Amazon.comTypically:$42.05 
$51.00Knox Safety Plugin Carbon Monoxide Detector, Voice Alert & LCD Display, 10-Year Battery BackupOnline - WalmartTypically:$51.01Save $0.01
$2.34HY-KO Products HSV-201 Security System Self Adhesive Graphic Vinyl, 6" x 4", Blue/Black/SilverOnline - Amazon.comTypically:$2.34
$99.99SK-200 SkylinkNet Connected Home Alarm Security & Home Automation System, iOS iPhone Android Smartphone App Compatible with No Monthly FeesOnline - WalmartTypically:$99.99
$2,553.99Elkay ezH2O ADA Cooler Stainless Steel, Bi-Level Drinking Fountain Bottle Filling StationOnline - Home DepotTypically:$2,553.99
$170.99Mighty Mule Driveway Vehicle Sensor Wand (100 ft.) for Automatic Gate OpenersOnline - Home DepotTypically:$170.99
$199.99simplehuman Sensor Mirror, Wall Mount Makeup Mirror with Light, 8" Round Lighted with Magnification (5X), Hard Wired, Swing Arm, Brass Stainless SteelOnline - Amazon.comTypically:$199.99
$27.47Kidde AC Plug-In Carbon Monoxide Detector with Battery Backup, CO Alarm with LED Light IndicatorsOnline - WalmartTypically:$27.47
$39.97Kidde Battery-Powered Electrochemical Carbon Monoxide DetectorOnline - WalmartTypically:$39.97
$44.94Kidde C3010D Carbon Monoxide Detector with Digital Display and 10-Year Worry-Free Lithium Battery, KIDDEOnline - WalmartTypically:$44.94
$42.94Kidde Nighthawk Plug-In AC/DC Carbon Monoxide Alarm Detector with Digital Display KN-COPP-3Online - WalmartTypically:$42.94
$86.79Safety Technology International, Inc. STI-9731 Wire Guard Damage StopperOnline - Amazon.comTypically:$86.79
$49.97Kidde Battery-Operated Combination Smoke & Carbon Monoxide Detector, Batteries IncludedOnline - WalmartTypically:$49.97
$35.97Kidde Hardwired Photoelectric Smoke Detector Alarm, 10-Year Lithium Sealed Battery BackupOnline - WalmartTypically:$35.97
$57.00Kidde Battery-Operated Photoelectric Smoke Detector Alarm, 5-inch, Batteries Included, 2 PackOnline - WalmartTypically:$57.00
$60.00Kidde 10-Year Sealed Lithium Battery-Operated Combination Smoke & Carbon Monoxide DetectorOnline - WalmartTypically:$60.00
$65.00Kidde Hardwired Combination Smoke & Carbon Monoxide Detector, AA Battery Backup, 5-inchOnline - WalmartTypically:$65.00
$49.96Kidde Battery-Operated Combination Smoke & Carbon Monoxide Detector, Voice AlertsOnline - WalmartTypically:$49.96
$34.98First Alert Carbon Monoxide Detector Alarm|No Outlet Required with Digital Display and Peak Memory, Battery Operated, CO410 , WhiteOnline - Amazon.comTypically:$34.97
$41.97Knox Safety Battery Operated Carbon Monoxide Detector, Voice Alert & Display, 10-Year Lithium PowerOnline - WalmartTypically:$41.95
$43.34Standard Air Temp Sensor, STAAx73 Fits select: 1999-2004 FORD F250, 1999-2004 FORD F350Online - WalmartTypically:$43.31
$23.99Leviton Motion Sensor Light Switch, Motion Activated, Auto-On/Auto-Off or Manual-On, 2A, No Neutral Wire Required, Single Pole, DOS02-LW, WhiteOnline - Amazon.comTypically:$23.00
$75.99Saniflo SaniAlarm for Sani Pump Models: 002, 013, 014, 011 and 008 (Battery Not Included)Online - Home DepotTypically:$75.62
$58.00Kidde 10-Year Battery Smoke Detector & AA Battery Carbon Monoxide Detector Value PackOnline - WalmartTypically:$57.55
