Household Sensors & Alarms

Compare household sensors and alarms by what they detect, how they alert you, how they connect, and where they can be installed. Review specifications to find options suited to your home.

159 products in catalog

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PANGAEA

PANGAEA Digital Gas Detector, Portable Gas Tester Detector, Bright LED Screen, Natural Gas (Methane) or LPG (Liquified Propane Gas), Combustible Gas Sensor Sniffer (Propane Model)

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Flood Buzz

Flood Buzz Water Leak Detector - Set of 6

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TOPTES

Gas Leak Detector, TopTes PT330 Natural Gas Detector with Audible & Visual Alarm to Locate Combustible Gas Leaks Like Natural Gas, Propane for Home and RV (Includes Battery x3) - Orange

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KOABBIT

Combination Natural Gas and Carbon Monoxide Detector Plug in 2-in-1 Co Detector and Combustible Gas Detector,Propane,LPG,Gas Leak Detector for Kitchen/Home.

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PROTEUS

Wi-Fi Water Level/Sump Monitor Sensor with Buzzer, email/Text Alerts - Proteus L5

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VINCREY

Natural Digital Gas Detector, Home Gas Alarm, Gas Leak Detector,High Sensitivity LPG LNG Coal Natural Gas Leak Detection, Alarm Monitor Sensor Home/Kitchen

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Eksahol

RV Propane | Natural Gas Detector, Gas Leak Detection, Home Gas Alarm, High Sensitivity LPG LNG Coal Natural Gas Leak Detection, Alarm Monitor Sensor for Motorhome | Camper | Marine (12V)

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SafetySiren

SafetySiren Pro4 Series (4th Gen) - Leader in Home Radon Detection Since 1993. Made in The USA - USA Version pCi/L

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Zircon

Zircon Leak Alert WiFi - Smart Electronic Water Detector Alarm with Email, Audio and Visual Alerts - Battery Included

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Intendvision

Gas Leak Detector Sniffer Portable Combustible Gas Detector Handheld Gas Analyzer Flammable Natural Gas Acetone Propane Benzene Ethanol Gasoline Methane Tester 9999 PPM 20% LEL with LCD Color Display

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ShenZhen Yeezou Technology Co., Ltd

Techamor Natural Gas Detector and Propane Alarm, Gas Leak Detector, Natural Gas Sniffer, Propane Detector, Tester and Monitor for LNG, LPG, Methane with Voice Warning and Digital Display (1 Pack)

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AEOTEC

Aeotec SmartThings SmartThings Water Leak Sensor, ZigBee, Battery Powered, Smart Home Hub Compatible

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Ademco

Honeywell Ademco 5800CO Wireless CO Detector

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Insteon

Insteon Wireless Water Leak Sensor, 2852-222 - Insteon Hub required for Smarthphone Alerts

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Geevon

Geevon 6 Pack Water Leak Detector, 100dB Water Sensor Alarm Flood Detector for Basements, Bathrooms, Laundry Rooms, Kitchens, Garages, and Attics, Water Alarm Battery-Operated (Battery Included)

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Seesii

Seesii Portable Gas Leak Detector, Handheld Natural Gas Sniffer High Sensitivity with LCD Display, Battery Powered, Locates Combustible Gas Like LPG, LNG, Methane & Butane Gases,Carbon Monoxide

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FloodStop

FloodStop Washing Machine Leak Detector Kit with Automatic Water Shut-Off and Visual/Audible Alarms, 3/4" 90deg, Hot & Cold Valves

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Stalwart

Trademark Home Collection Door Stop Alarm – Portable Door Stopper with Siren for Home, Hotel, or Dorms – Low, Medium, and High Sensitivity Settings, Black, One Size

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Honsdom

CC091 Propane Methane and Natural Gas Leak Detector, Portable Combustible Gases Detector Sniffer with Adjustable Sensitivity, 12.6-Inch Gooseneck Sensor Range 50-10,000 ppm, Audible & Visible Alarm

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TESSAN

WiFi Door Sensor, TESSAN Smart Window Contact Sensor Compatible with Amazon Alexa, Google Assistant, No Hub Required, Sends Alerts, Wireless Remote Alarm, Programmable with Smart Life Devices

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Honsdom

CC091 Propane and Gas Leak Detector, Portable Gas Detectors for Home Natural Gas, Combustible Gas Sniffer for Methane, LPG, Fuel, Sewer Gas, Flexible Gooseneck Sensor, Audible & Visible Alarm

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Honsdom

CC091 Propane Methane and Natural Gas Leak Detector, Portable Combustible Gases Detector Sniffer with Adjustable Sensitivity, 12.6-Inch Gooseneck Sensor Range 50-10,000 ppm, Audible & Visible Alarm

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Airthings

Airthings 4200 House Kit, Radon, Mold Risk & Indoor Air Quality Monitoring System, Multi-Room

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MASSWELL HONGKONG

Water Leak Detector, 44 Inch Long Wire, Up to 130 DB Louder Sound,72 Hours Longer Alarm Detection Sensor for Pefect Protection of Your Belongings

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