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KEHIPI Natural Gas Detector 0-9999PPM/0%-20% LEL Gas Leak Detector with 12 Gooseneck Combustible Gas Detector with 3 Sensitive Modes Test Methane Propane Gasoline for Gas Pipeline Gas Stove and RV
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  • $53.99 
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3 Pack Water Leak Detectors for Home, 100dB Loud Water Alarm Sensor Leak Detection with Drip Alert for Basements, Laundry Rooms, Kitchen, IP56 Waterproof(Battery Included)
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  • $33.99 
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Door Window Alarms - 5 Pack,125dB,Volume Control,Window Door Open Alarm Sensors for Kids Safety/Dementia/Pool,Wireless Sensors Keep Your Home Security,Easy to Install,Long Battery Life
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  • $56.99 
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Entry Sensor E20, Dual-Side Detection, Convenient Bypass Button, Extended Battery Life, Long Communication Range, Requires HomeBase 2, 3, Mini, or Pro
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Entry Sensor E20, Dual-Side Detection, Convenient Bypass Button, Extended Battery Life, Long Communication Range, Requires HomeBase 2, 3, Mini, or Pro
  • Brand: Emerson
  • Part Number: T90E0
  • Protocol: Wireless
  • Specifications: 2.88 L x 1.54 W x 0.85 H inches, 656 feet, Wall Mount, Battery Powered, Lithium, 35 degrees_celsius, HomeBase 2, 3, Mini and Pro, eufy Entry Sensor E20, eufy Security Entry Sensor E20, T90E0, eufy, White, eufy Security
  • Model #: 678437378285
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  • $47.69 
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SM210, 10-Year Sealed Battery Smoke Alarm with Slim Profile Design, 1-Pack
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SM210, 10-Year Sealed Battery Smoke Alarm with Slim Profile Design, 1-Pack
  • Brand: First Alert
  • Part Number: SM210
  • Dimensions: 5.13 in x 5.13 in x 1.0 in
  • Weight: 0.37 lb
  • Model #: 961714865838
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  • $65.99 
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Combustible Gas Leak Detector - Rechargeable Gas Leak Detector, Natural Gas Leak Detector with 17-inch Probe for Checking Leaks of Natural Gas, Propane, Methane, Butane and Other Combustible Gases
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  • $71.99 
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WiFi Water Leak Detector  No Hub Required, Easy Installation Smart Sensor for Home, Basement, Kitchen, Bathroom  Moisture Sensor, Wireless, IP55 80dB Alarm Flood Sensors
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WiFi Water Leak Detector No Hub Required, Easy Installation Smart Sensor for Home, Basement, Kitchen, Bathroom Moisture Sensor, Wireless, IP55 80dB Alarm Flood Sensors
  • Brand: Emerson
  • Protocol: Wireless
  • Specifications: Detectors, tuby, WL-898DT, Wifi Water Leak Detector, 2.83 L x 0.98 W x 2.83 H inches, 3 volts, Battery Powered, Alkaline, 2, 80 decibels, Contact Sensor, Floor Mount, Smartphone
  • Features: Contact Sensor, application, Floor Mount, 80 decibels, Smartphone, Detectors
  • Model #: 522191684513
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  • $49.99 
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WiFi Smart Motion Sensor: Indoor PIR Motion Detector, Free App Alert, Tuya App Remote Monitor, USB & Battery Dual Power Supply, Infrared Wireless Alarm System for Home Security & Home Automation
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WiFi Smart Motion Sensor: Indoor PIR Motion Detector, Free App Alert, Tuya App Remote Monitor, USB & Battery Dual Power Supply, Infrared Wireless Alarm System for Home Security & Home Automation
  • Brand: Emerson
  • Part Number: P06
  • Protocol: Wireless
  • Specifications: 2.74 L x 1.77 W x 1.41 H inches, 130 grams, 10 meters, Wall Mount, Battery Powered, Alkaline AA, Light, Fan, Smart Home Hub, Security System, Motion Detector, P06-wifi, P06, Gaoducash, white
  • Model #: 831002244009
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  • $35.99 
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2025 NEW, Digital Clocks, 7'' Dementia Clock with Date and Time for Elderly, Auto-Dimming, 12 Reminders & 6 Alarms, Button & Remote Control, Auto DST, Digital Calendar for Seniors Large Display
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2025 NEW, Digital Clocks, 7'' Dementia Clock with Date and Time for Elderly, Auto-Dimming, 12 Reminders & 6 Alarms, Button & Remote Control, Auto DST, Digital Calendar for Seniors Large Display
  • Brand: Emerson
  • Color: White
  • Specifications: P07C3, Shenzhen Somy Technology Co.,Ltd, 7.08 L x 1.5 W x 4.92 H inches, Corded Electric, Tabletop, Digital, Adjustable Brightness, Adjustable Volume, Alarm, Calendar Display, Daylight Saving
  • Features: Adjustable Brightness, Adjustable Volume, Alarm, Calendar Display, Daylight Saving
  • Model #: 471895871289
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  • $53.99 
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Entry Sensor (Pack of 4) - Window and Door Protection - Compatible with The SimpliSafe Home Security System - Latest Gen
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Entry Sensor (Pack of 4) - Window and Door Protection - Compatible with The SimpliSafe Home Security System - Latest Gen
  • Brand: Emerson
  • Part Number: ENS304
  • Color: White
  • Protocol: Wireless
  • Model #: 187902693862
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  • $87.99 
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KEHIPI Pinless Moisture Meter - Non-Destructive Wood & Masonry Moisture Detector with LCD Display & Sound Alarm for Walls, Drywall, Plaster, Floor, Concrete
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  • $39.99 
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Portable Carbon Monoxide Detectors for Travel 3-in-1 Square Carbon Monoxide Monitor with 43 Detection Holes, RV CO Detector Alarm Temp/Humidity Sensor for Home, Camping & Travel Tent Car
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  • $65.99 
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120 DB Loud Door and Window Open Alarm Sensor 3 Pack for Kids, Dementia Patients Safety, Burglar Anti-Theft Wireless Security Alarms Keep Your Home, Pool, Cabinet, Business Safe
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120 DB Loud Door and Window Open Alarm Sensor 3 Pack for Kids, Dementia Patients Safety, Burglar Anti-Theft Wireless Security Alarms Keep Your Home, Pool, Cabinet, Business Safe
  • Brand: Emerson
  • Part Number: MSA-820
  • Protocol: Wireless
  • Specifications: Flyoukki, MSA-820, 1.5 L x 0.37 W x 2.9 H inches, 1.5 volts_of_direct_current, Battery Powered, Alkaline, 120 decibels, Contact Sensor, Door Mount, Home Security System
  • Model #: 686950358530
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  • $37.39 
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3-in-1 Digital Clocks for Living Room with Temperature, Date & Time Display - 4 Levels Birghtness, 3 Volumes, Small & Compact Plug-in Alarm Clock for Bedroom, Office (Black)
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3-in-1 Digital Clocks for Living Room with Temperature, Date & Time Display - 4 Levels Birghtness, 3 Volumes, Small & Compact Plug-in Alarm Clock for Bedroom, Office (Black)
  • Brand: Emerson
  • Part Number: Netzu
  • Color: White
  • Specifications: T338, T338B, Netzu, 15 L x 3.81 W x 5.5 H centimeters, Corded Electric, Tabletop, Digital, Temperature Display, Adjustable Brightness, Adjustable Volume, Snooze
  • Model #: 992605410964
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  • $25.99 
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Water Alarm Leak Detector, 95 dB Loud Alarm, Prevent Serious Floods and Water Damage
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Water Alarm Leak Detector, 95 dB Loud Alarm, Prevent Serious Floods and Water Damage
  • Brand: Emerson
  • Part Number: HLDA-01W KJ-011
  • Protocol: Wireless
  • Specifications: Bag, Ortis, HLDA-01W KJ-011, KJ-011, 1 L x 1 W x 1 H inches, 120 volts, Corded Electric, 95 decibels, Contact Sensor, Tabletop Mount, dehumidifiers, water heaters, washing machines, dishwashers
  • Model #: 937873059946
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  • $93.99 
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Portable Carbon Monoxide Detector for Travel, Professional 4-in-1 Square CO Monoxide Monitor with Audible and Visual Alarm Rechargeable Backlit LCD Screen 300HR Standby for Home Car Camping Tent
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  • $53.99 
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16.5" Large Digital Wall Clock with Anti-Glare Display, RGB Lights with 10 Scenes Mode Remote Control, Adjustable Brightness, Dual Alarms, Auto DST, BT Sync, Temperature for Living Room
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16.5" Large Digital Wall Clock with Anti-Glare Display, RGB Lights with 10 Scenes Mode Remote Control, Adjustable Brightness, Dual Alarms, Auto DST, BT Sync, Temperature for Living Room
  • Brand: Emerson
  • Color: White
  • Protocol: Wireless
  • Specifications: AC-WC165L, Shenzhen Tingrui Technology Co.,Ltd, 12 L x 1.5 W x 3.8 H inches, Corded Electric, Wall Mount, Digital
  • Model #: 178612424535
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  • $59.99 
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16.5" Large Digital Wall Clock with BT Sync, RGB Lights with 11 Scenes Mode Remote Control, Big LED Clock with Dual Alarms, Auto DST, Temperature for Classroom Gaming
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16.5" Large Digital Wall Clock with BT Sync, RGB Lights with 11 Scenes Mode Remote Control, Big LED Clock with Dual Alarms, Auto DST, Temperature for Classroom Gaming
  • Brand: Emerson
  • Part Number: AC-WC165A
  • Color: White
  • Specifications: AC-WC165A, Shenzhen Tingrui Technology Co.,Ltd, 15.6 L x 1.5 W x 5.2 H inches, Corded Electric, Wall Mount, Digital
  • Model #: 504981097303
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  • $59.99 
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SC91 Projection Alarm Clock for Bedrooms with Weather Station, Wireless Indoor Outdoor Thermometer, Temperature Humidity Monitor Gauge Hygrometer
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SC91 Projection Alarm Clock for Bedrooms with Weather Station, Wireless Indoor Outdoor Thermometer, Temperature Humidity Monitor Gauge Hygrometer
  • Brand: Emerson
  • Part Number: SC91
  • Color: White
  • Specifications: SC91, SMARTRO, 16.76 L x 3.81 W x 9.91 H centimeters, Battery Powered, Tabletop, Digital, Projection Clock, Alarm, Adjustable Brightness, Snooze, Weather Monitoring, 13-month warranty except for artificial damages.
  • Model #: 757050311989
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  • $77.99 
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7'' Dementia Clock For Seniors, Large Display Digital Clock With Date, Time, Day Of Week for Elderly, Memory Loss, Alzheimer, 1024*600P HD, 10 Reminders & 6 Alarms, Auto Dimming & DST, Remote Control
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7'' Dementia Clock For Seniors, Large Display Digital Clock With Date, Time, Day Of Week for Elderly, Memory Loss, Alzheimer, 1024*600P HD, 10 Reminders & 6 Alarms, Auto Dimming & DST, Remote Control
  • Brand: Emerson
  • Color: White
  • Specifications: P07C3, FLYRUIT, 7.07 L x 1.5 W x 4.9 H inches, Corded Electric, Wall Mount, Tabletop, Digital, Adjustable Brightness, Adjustable Volume, Alarm, Daylight Saving, Large Display, 12-month warranty.
  • Features: Adjustable Brightness, Adjustable Volume, Alarm, Daylight Saving, Large Display
  • Model #: 430581166323
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  • $57.99 
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Wi-Fi Water Leak Detector, 100dB Adjustable Audio Alarm Sensor, Sensitive Leak and Drip Alert Alert with Remotely Email/APP Push, Suit for Home and Basement
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Wi-Fi Water Leak Detector, 100dB Adjustable Audio Alarm Sensor, Sensitive Leak and Drip Alert Alert with Remotely Email/APP Push, Suit for Home and Basement
  • Brand: Emerson
  • Part Number: Wire SQ400C
  • Protocol: Wireless
  • Specifications: Water Detectors & Alarms, PHOVOLT, SQ400C, Wire SQ400C, 2 L x 2 W x 1 H inches, 0.01 pounds, 1, 100 decibels
  • Model #: 707504520073
Solar Outdoor Motion Sensor Alarm, 130dB Dog Barking & Gunshot Sound, 13 Sounds, Strobe Light, Support Recording & Volume Control, Keeps Unwanted Animals Away from Yard, Garden, or Farm
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Solar Outdoor Motion Sensor Alarm, 130dB Dog Barking & Gunshot Sound, 13 Sounds, Strobe Light, Support Recording & Volume Control, Keeps Unwanted Animals Away from Yard, Garden, or Farm
  • Brand: Emerson
  • Protocol: Wireless
  • Specifications: OUDAER, SC-N991S, Solar Outdoor Motion Sensor Alarm, 3.9 L x 3.9 W x 2.9 H inches, 130 decibels
  • Features: push_button, 130 decibels
  • Model #: 023645899338
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  • $79.99 
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SM210L, 10-Year Sealed Battery Smoke Alarm with Safety Path Light, 1-Pack
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SM210L, 10-Year Sealed Battery Smoke Alarm with Safety Path Light, 1-Pack
  • Brand: First Alert
  • Part Number: SM210L
  • Color: White
  • Dimensions: 5.25 in x 5.25 in x 1.19 in
  • Model #: 022602322356
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  • $69.99 
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WiFi Water Leak Detectors for Home with Tuya APP Push and 100dB Sound Alarm, Suit for Warehouse, Basement, Kitchen, Laundry Room, Compatible with Alexa&Google Assistant (Support WiFi 2.4G)
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WiFi Water Leak Detectors for Home with Tuya APP Push and 100dB Sound Alarm, Suit for Warehouse, Basement, Kitchen, Laundry Room, Compatible with Alexa&Google Assistant (Support WiFi 2.4G)
  • Brand: Emerson
  • Color: White
  • Protocol: Wireless
  • Specifications: Nestool, SQ400C, 2.5 L x 2.5 W x 1 H inches, Battery Powered, Alkaline, 2, 100 decibels, Wireless Sensor, Smartphone
  • Model #: 631635170302
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  • $32.99 
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Water Leak Detector 1 Pack, Shackcom Water Alarm 110DB, Wireless, Waterproof & Battery-Operated, Audio and Light Alerts for Bathroom, Kitchen & Home Security ( Battery Not Included )
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Water Leak Detector 1 Pack, Shackcom Water Alarm 110DB, Wireless, Waterproof & Battery-Operated, Audio and Light Alerts for Bathroom, Kitchen & Home Security ( Battery Not Included )
  • Brand: Emerson
  • Part Number: JJS618WA01.CA
  • Color: White
  • Specifications: Shackcom, JJS618WA01.CA, 6 L x 9 W x 9 H centimeters, 9 volts, Battery Powered, 9V, 110 decibels, Contact Sensor, Tabletop Mount, Home Security System
  • Model #: 651937364944
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  • $25.99 
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Digital Alarm Clock, Bluetooth Auto Sync Clock with Adjustable Volume & Brightness, Snooze, 12/24H, LED Digital Clock for Home Bedroom Living Room Heavy Sleepers
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Digital Alarm Clock, Bluetooth Auto Sync Clock with Adjustable Volume & Brightness, Snooze, 12/24H, LED Digital Clock for Home Bedroom Living Room Heavy Sleepers
  • Brand: Emerson
  • Color: White
  • Protocol: Wireless
  • Specifications: OUS-HY-WA155KM, ORIA, 2.9 L x 1.5 W x 6.6 H inches, Corded Electric, Tabletop, LED, Bluetooth Auto-sync Time, Adjustable Volume, Adjustable Brightness, Charging Port
  • Model #: 721336327452
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  • $34.99 
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Home smart sensors allow you to monitor the essential and necessary inner workings of your home and connect to the internal home environment. Whether you need to detect leaking water or gas pipes, or you want to monitor motion for security purposes, you can find a versatile range of smart sensors and home security alarms to keep your home safe and secure. Consider essential factors and features such as function, wireless capabilities, smart hub integration and ease of installation when shopping for this equipment.

Door and Window Sensors Indicate When There is Entry Into a Home

Door and window sensors attach to a window or door frame for easy installation, and billowing drapes or wandering pets are less likely to trigger them. Close the sensor circuit when you shut the door or window. Opening it triggers an alert, so you can take action. Most door and window sensors operate via a central hub, and you can purchase them individually or in packs to cover multiple doors and windows. Upgrade your home security by integrating them with smart door locks and access accessories for improved insight, control and flexibility. Smart door locks notify the user when an intruder opens the door, and some use access codes or biometrics to distinguish coming or going motion.

Smart Motion Sensors Show Movement Within a Space or Rooms

Motion sensors detect movement within a space by using infrared technology, triggering an alert to indicate movement. They are highly customizable to cater to individual safety and security needs. Sensors come in different types and sizes, and most are compatible with other technology ecosystems. Choose a motion sensor with a simple plug-and-play setup for quick and convenient pairing with smart hub kits and other apps. Some home smart sensors can track movement over time and trigger additional action, such as switching the lights on automatically. They work well to monitor the movement of children or an elderly relative.

Temperature Humidity Sensors Help Regulate Your Indoor Climate

Temperature humidity sensors are smart home automation accessories that track and record changes in the temperature and humidity conditions of any space. The sensors use Bluetooth®, Wi-Fi® or a cellular network connection, and you can use them to monitor indoor climate conditions remotely at any point in time. Choose a precise and accurate temperature humidity sensor with a buzzer, or one that seamlessly relays email and text alerts when you are not physically present. Most sensors have apps through which you can define logging and recording intervals and customize broadcast strengths. Select a sensor that works well in a range of environments, including cold rooms, greenhouses and cigar cabinets.

The Wi-Fi Water Sensor Provides Alerts of Flooding for Appropriate Action

The Wi-Fi water sensor lets you know in advance about a flooding threat so you can take corrective action to prevent costly home repairs and equipment damage. The unique sensing mechanism notifies the homeowner instantly when the water starts pooling.