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  4. Household Sensors & Alarms - 104 items
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PT199 Natural Gas Leak Detector with Audible & Visual Alarm, Portable Gas Sniffer to Locate Combustible Sources Like Methane, Propane for Home(Includes Battery x2)-Orange
$ 61.58 $ 61.58 61.58 USD (0% OFF)
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YoLink Smart Home Starter Kit: Hub & 2-Pack Water Leak Sensor 1, LoRa Up to 1/4 Mile Open-Air Range, SMS/Text, Email & Push Notifications, w/Alexa, IFTTT, Home Assistant
$ 98.98 $ 98.98 98.98 USD (0% OFF)
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Aeotec TriSensor, Z-Wave Plus S2 Enabled Zwave Motion Sensor, Temperature, Light Sensor, Work with Zwave Hub Smartthings 3-in 1 Security System, Battery Powered
$ 136.38 $ 136.38 136.38 USD (0% OFF)
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GoveeLife Upgraded Smart Water Leak Detector 1s with High Alarm, 3 Pack
$ 55.54 $ 55.54 55.54 USD (0% OFF)
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Air Quality Pollution Monitor, Formaldehyde Detector, Temperature & Humidity Meter, Sensor, Tester; Detect PM2.5/PM10/PM1.0 Micron Dust, Test Indoor TVOC Volatile Organic Compound Gas; eBook
$ 192.13 $ 192.13 192.13 USD (0% OFF)
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Govee Water Leak Detectors 5 Pack, 100dB Adjustable Audio Alarm Sensor, Sensitive Leak and Drip Alert, for Kitchen Bathroom Basement (Cannot Connect to Wi-Fi Directly)
$ 109.98 $ 109.98 109.98 USD (0% OFF)
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WiFi Alarm Home Security System, Wireless Alarm System with Loud 120dB Motion Sensor Siren, Window Door Alarms Sensor, Remote Control for Shed Garage
$ 85.79 $ 85.79 85.79 USD (0% OFF)
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PT520A Natural Gas Detector, Gas Leak Detector with 17-Inch Gooseneck, Locating The Source Like Propane, Methane, and Butane for Home and RV (Includes Battery x3) - Orange
$ 85.78 $ 85.78 85.78 USD (0% OFF)
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Moen Flo Shutoff, 3/4" Automatic Water Leak Detector & Shutoff, 900-001
$ 735.89 $ 735.89 735.89 USD (0% OFF)
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Centralite Centralite by Ezlo Water Sensor | Monitors Your Whole Home for Leaks | Detects Water Leaks in a Kitchen, Bathroom, Basement or Laundry Room | Zigbee Smart Water Sensor
$ 23.87 $ 23.87 23.87 USD (0% OFF)
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RV Carbon Monoxide & Propane Gas Alarm, Briidea Dual LP/CO Detector with Separate LED Indicator Light, 100dB Loud Alarm, 12 VDC, Black
$ 108.00 $ 108.00 108.0 USD (0% OFF)
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Airthings 2950 Wave Radon - Smart Radon Detector with Humidity & Temperature Sensor – Easy-to-Use – Accurate – No Lab Fees – Battery Operated - Free App
$ 239.23 $ 239.23 239.23 USD (0% OFF)
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YoLink Water Leak Sensor 4 105 dB Alarm Kit: 4-Pack + Hub
$ 92.66 $ 92.66 92.66 USD (0% OFF)
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GoveeLife Upgraded Smart Water Leak Detector 1s with High Alarm, 5 Pack
$ 80.29 $ 80.29 80.29 USD (0% OFF)
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5 Pack Water Leak Detectors for Home, 100dB Water Sensor Alarm for Basement
$ 47.29 $ 47.29 47.29 USD (0% OFF)
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GoveeLife Upgraded Smart Water Leak Detector 1s with High Alarm, 4 Pack
$ 68.59 $ 68.59 68.59 USD (0% OFF)
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X-Sense Wi-Fi Water Leak Detector Kit, 120 dB, 3 Sensors + Base, SWS54
$ 55.54 $ 55.54 55.54 USD (0% OFF)
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Aqara Water Leak Sensor 3 Pack, Zigbee Water Leak Detector for Alarm System
$ 58.29 $ 58.29 58.29 USD (0% OFF)
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Flood Buzz Water Leak Alarms for Homes & Businesses, Small Model - 12-Pack
$ 113.29 $ 113.29 113.29 USD (0% OFF)
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GoveeLife Upgraded Water Leak Detector with 105dB Adjustable Alarm, 5 Pack
$ 55.52 $ 55.52 55.52 USD (0% OFF)
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