• In Stock
  • Sold by Newegg
  • New
Brands
Show More
Price
Show More
Protocol
Type
Show More
Amazon Alexa Compatibility
Google Assistant Compatibility
Apple HomeKit Compatibility
App-Enabled
Sold by
All Top Brands
Availability
Condition
Current Promotion
Discount
Useful Links
Customer Ratings
  • Featured Brands

    See Deals from TP-Link
Sort By:
View:
LED Digital Alarm Clock for Bedroom, Plug in Clocks with Dual Alarm/Snooze/Temperature Waterproof 3 Brightness Level, Big Numbers Display and Battery Backup for Desk, Table, Office, Black
Quick View
LED Digital Alarm Clock for Bedroom, Plug in Clocks with Dual Alarm/Snooze/Temperature Waterproof 3 Brightness Level, Big Numbers Display and Battery Backup for Desk, Table, Office, Black
  • Brand: Emerson
  • Color: White
  • Specifications: SZ-836, SHENZHEN JIAMEI WEIYE TECHNOLOGY CO., LTD., 6.5 L x 1.5 W x 3 H inches, Corded Electric, Tabletop, Digital, Snooze Mode/Temprature, Adjustable Brightness, Double Bell, Large Display
  • Features: Snooze Mode/Temprature, Adjustable Brightness, Double Bell, Large Display
  • Model #: 113570775783
  •  
  • $19.99 
  • Free Shipping
2 Pack PIR Motion Sensor Light Switch, AC 110-240V Adjustable LUX Light Sensitivity & Time Delay, Smart Infrared Induction Detector for LED Strip Lights, Closet, Cabinet, Pantry, Stairs
Quick View
2 Pack PIR Motion Sensor Light Switch, AC 110-240V Adjustable LUX Light Sensitivity & Time Delay, Smart Infrared Induction Detector for LED Strip Lights, Closet, Cabinet, Pantry, Stairs
  • Brand: Emerson
  • Part Number: motion sensor for light
  • Protocol: Wireless
  • Specifications: 5.2 L x 1 W x 3.4 H inches, 0.028 kilograms, 6 meters, Panel Mount, Corded Electric, Battery not included, Plastic, -2E+1 degrees_celsius, Light, Fan, Doorbell, Other Devices, Switch, motion sensor, motion sensor for light, led motion sensor, Flarione, white
  • Model #: 332242641072
  •  
  • $19.99 
  • Free Shipping
Motion Detector Light Switch, PIR Infrared Sensor Switch with Sensitivity & Delay Adjustable, OCC & VAC Selectable, Single Pole, No Neutral Wire, UL Listed & FCC Listed, White, 2 Pack
Quick View
Motion Detector Light Switch, PIR Infrared Sensor Switch with Sensitivity & Delay Adjustable, OCC & VAC Selectable, Single Pole, No Neutral Wire, UL Listed & FCC Listed, White, 2 Pack
  • Brand: Emerson
  • Part Number: YM2106-WH
  • Protocol: Wireless
  • Specifications: 1.65 L x 2.7 W x 4.52 H inches, 30 feet, Wall Mount, Corded Electric, Battery not included, 32 degrees_fahrenheit, Light, Motion Sensor Light Switch, Wall Plate, Installation Instructions, Motion sensor wall switch, YM2106-WH, ECOELER ELECTRIC INC, White, ECOELER
  • Model #: 735613421343
  •  
  • $48.99 
  • Free Shipping
Smoke Alarm, Interconnect Hardwire Detector with 10-Year Battery Backup, SMI105-AC, 3-Pack
Quick View
Smoke Alarm, Interconnect Hardwire Detector with 10-Year Battery Backup, SMI105-AC, 3-Pack
  • Brand: First Alert
  • Part Number: SMI105-AC
  • Color: White
  • Dimensions: 5.5 in x 2.0 in x 5.5 in
  • Model #: 511364484523
  •  
  • $119.99 
  • Free Shipping
IP67 Waterproof Universal 10-30VDC Safety Retro-Reflective Photoelectric Beam Sensor for 12VDC and 24VDC Gate Opener, Garage Door Sensor Up to 40 Feet Sensing Range, Pre-Wired 6.6 Feet Cord
Quick View
IP67 Waterproof Universal 10-30VDC Safety Retro-Reflective Photoelectric Beam Sensor for 12VDC and 24VDC Gate Opener, Garage Door Sensor Up to 40 Feet Sensing Range, Pre-Wired 6.6 Feet Cord
  • Brand: Emerson
  • Color: White
  • Protocol: Wireless
  • Specifications: 8.9 ounces, 40 feet, Door Mount, DC, Battery not included, ABS, Gate Opener, Garage Door Opener, Security Systems, Hiland Technology Co., Ltd, Supreform
  • Model #: 179376876300
  •  
  • $86.99 
  • Free Shipping
4 Pack 2 in 1 CO & Smoke Detectors, Digital Display, Smoke Detector Carbon Monoxide Detector Combo,Alarm for Home or Office,Powered by Battery
Quick View
4 Pack 2 in 1 CO & Smoke Detectors, Digital Display, Smoke Detector Carbon Monoxide Detector Combo,Alarm for Home or Office,Powered by Battery
  • Brand: JNHCD
  • Part Number: C-00908
  • Dimensions: 1.49 in x 4.17 in x 4.17 in
  • Weight: 0.24 lb
  • Model #: 945756895723
  •  
  • $80.99 
  • Free Shipping
Smoke and Carbon Monoxide Detector, Combination Smoke Alarm and Carbon Monoxide Detector Battery Powered, CO Detector with Sensitive Sensor, LCD Display and Sound Warning, CDR-813
Quick View
Smoke and Carbon Monoxide Detector, Combination Smoke Alarm and Carbon Monoxide Detector Battery Powered, CO Detector with Sensitive Sensor, LCD Display and Sound Warning, CDR-813
  • Brand: SHYEEH
  • Dimensions: 1.5 in x 4.0 in x 4.0 in
  • Package Contents: Smoke and Carbon Monoxide Detector
  • Model #: 310858309942
  •  
  • $81.99 
  • Free Shipping
Human body infrared sensor thermal graffiti smart home PIR module scene household sensing alarm device
Quick View
  • $40.83 - $42.23
Interlinked Smoke Carbon Monoxide Detector Combo, Smoke and CO Detector Battery Powered, Wireless Interconnected Smoke and CO Alarm, Digital Display, SC-RF200, 3-Pack
Quick View
  •  
  • $87.99 
  • Free Shipping
2 Pack Combination Gas & Carbon Monoxide Detectors - Plug in CO Alarm & Natural Gas Detector with Digital Display, CO Detector & Combustible Gas Detector for Home, Easy to Read
Quick View
  •  
  • $86.99 
  • Free Shipping
Smoke Detector & Carbon Monoxide Detector Combo with 10-Year Battery,White
Quick View
Smoke Detector & Carbon Monoxide Detector Combo with 10-Year Battery,White
  • Brand: Kidde
  • Part Number: 21010170
  • Color: White
  • Dimensions: 5.22 in x 5.22 in x 1.6 in
  • Model #: 619048726943
  •  
  • $82.99 
  • Free Shipping
Leak Alert Water Leak Detector & Flood Sensor Alarm/Water Leak Sensor with Dual Leak Alarms 90Db Audio/Battery Powered (2 Pack) Batteries Not Included (72311) White
Quick View
  •  
  • $55.99 
  • Free Shipping
Carbon Monoxide Detectors, 2Pack 4-in-1 Natural Gas Leak Detector, Portable Carbon Monoxide Detector, Plug in Wall with AC Socket and Temperature & Humidity Monitoring for RV, Home, Hotel (White)
Quick View
  •  
  • $84.99 
  • Free Shipping
Highly sensitive anti-positioning, anti-listening, anti-camera wireless infrared detector, anti-tracking portable super detector Black new model
Quick View
  • $58.23 - $59.63
Digital Thermometer Clock Indoor/Outdoor Wireless Temperature Transmitter Meter
Quick View
  •  
  • $38.99 
  • Free Shipping
Water Leak Detector - Very Loud Water Sensor Alarm for Home, Flood Detection Alarm Sensor for Sinks, Sump Pumps, Basements, and Laundry Rooms by Mindful Design (White, 4 Pack)
Quick View
  •  
  • $49.99 
  • Free Shipping
Digital Travel Alarm Clock for Bedroom Office: Small LCD Desk Clock with Backlight Date Temperature Snooze 12/24H Weekend Mode and Mirror, Battery Powered Folding Bedside Clock for Adult Kids
Quick View
  •  
  • $19.68 
  • Free Shipping
Wireless Driveway Alarm System with Buried Vehicle Sensor
Quick View
  •  
  • $92.99 
  • Free Shipping
5 Pcs Water Sensor Alarm Leak Detector 120db Water Leak Alarm 9v Battery Flood Sensor Detector Overflow Security Alert for Home Basement Kitchen Garage Bath Tub Sink, White
Quick View
5 Pcs Water Sensor Alarm Leak Detector 120db Water Leak Alarm 9v Battery Flood Sensor Detector Overflow Security Alert for Home Basement Kitchen Garage Bath Tub Sink, White
  • Brand: Emerson
  • Specifications: 5 x Water leak detector, Hoteam, 20 L x 15 W x 4 H centimeters, 9 volts, Battery Powered, Alkaline, 120 decibels, Contact Sensor, Tabletop Mount
  • Features: Contact Sensor, touch, Tabletop Mount, 120 decibels, 5 x Water leak detector
  • Dimensions: 14.33in W x 12.83in H x 9.06in D
  • Model #: 849901309917
  •  
  • $37.99 
  • Free Shipping
Weather Station with Customizable Alerts, Weather Forecast, Temperature, Dew Point, Humidity, Time, Heat Index, Large Display, Adjustable Brightness, Wireless, Black, C85845-INT
Quick View
  •  
  • $127.89 
  • Free Shipping
Water Leak Alarm Sensor, Battery Operated Leak Alert, 90dB Water Detector for Basements, Bathrooms, Laundry Rooms, Kitchens, Garages and All Office Areas (Shipped Without Battery, 4 Pack)
Quick View
Water Leak Alarm Sensor, Battery Operated Leak Alert, 90dB Water Detector for Basements, Bathrooms, Laundry Rooms, Kitchens, Garages and All Office Areas (Shipped Without Battery, 4 Pack)
  • Brand: Emerson
  • Part Number: BI-FL17-3
  • Protocol: Wireless
  • Specifications: Detector, sensor, alarm and plastic, WER, BI-FL17-3, water leak alarm-4, 8 L x 8 W x 3 H centimeters, 0.32 kilograms, 9 volts, Battery Powered, Alkaline, 1, 100 decibels, Capacitive Sensor, Floor Mount, Home Security System
  • Model #: 513215959821
  •  
  • $44.99 
  • Free Shipping
3-in-1 Carbon Monoxide Detectors, Portable Carbon Monoxide Detector for Travel with Temperature & Humidity Display, Carbon Monoxide Detector Plug in Wall for Home/RV, Accurate & Easy to Install 3
Quick View
  •  
  • $99.99 
  • Free Shipping
2 Packs Carbon Monoxide Detectors Plug in, 10-Year Battery Powered CO Detector with Breathing Light, Portable Traval Carbon Monoxide Alarm for Home/Office/RV
Quick View
  •  
  • $95.99 
  • Free Shipping
Water Leak Detector with 105dB Adjustable Alarm, Water Alarm with Dual Sets Sensor Probes Leaks and Floods. Suit for Home, Basement, and Kitchen(Cannot Connect to Wi-Fi Directly)
Quick View
Water Leak Detector with 105dB Adjustable Alarm, Water Alarm with Dual Sets Sensor Probes Leaks and Floods. Suit for Home, Basement, and Kitchen(Cannot Connect to Wi-Fi Directly)
  • Brand: Emerson
  • Color: White
  • Protocol: Wireless
  • Specifications: Water Sensor 1 Pack, GoveeLife, H5059, Water Leak Detector 1s, 3.66 L x 2.63 W x 1.49 H inches, Battery Powered, Alkaline, 2, 105 decibels, 915Mhz, Tabletop Mount, Smartphone
  • Model #: 091340619312
  •  
  • $31.99 
  • Free Shipping
3-in-1 Carbon Monoxide Detector, with Temperature & Humidity Monitor, Voice Alerts, Replaceable Battery Powered CO Alarm, XC0M-SR, 1-Pack
Quick View
3-in-1 Carbon Monoxide Detector, with Temperature & Humidity Monitor, Voice Alerts, Replaceable Battery Powered CO Alarm, XC0M-SR, 1-Pack
  • Brand: X-Sense
  • Color: Standalone Model XC0M-SR
  • Dimensions: 5.32 in x 1.36 in x 2.84 in
  • Model #: 217840697178
  •  
  • $35.99 
  • Free Shipping
2X High Quality Automatic PIR 85-265V Security PIR Infrared Motion Sensor Detector Wall LED Light Outdoor White,2 x Infrared PIR Motion Sensor Detector,White
Quick View
  • $27.18 - $28.18
Cadence Speed Sensor, Bluetooth & ANT+ Wireless RPM Cycling Spin Bike Cadence Sensor for Wahoo/Coosporide/Rouvy/Peloton, IP67 Waterproof, Orange
Quick View
Cadence Speed Sensor, Bluetooth & ANT+ Wireless RPM Cycling Spin Bike Cadence Sensor for Wahoo/Coosporide/Rouvy/Peloton, IP67 Waterproof, Orange
  • Brand: Emerson
  • Part Number: CS8-D
  • Color: White
  • Specifications: 30 L x 37 W x 10 H millimeters, 0.06 kilograms, Cadence Sensor, Speed Sensor, IPX6, Plastic, Handlebar Mount, unknown, CS8, CS8-D, 1 Year Manufacture
  • Model #: 655151470202
  •  
  • $65.99 
  • Free Shipping
WiFi Water Leak Detector  No Hub Required, Easy Installation Smart Sensor for Home, Basement, Kitchen, Bathroom  Moisture Sensor, Wireless, IP55 80dB Alarm Flood Sensors
Quick View
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
  •  
  • $49.99 
  • Free Shipping
4 Pack Water Leak Detector - 95 dB Flood Detection Alarm Sensor for Bathrooms, Basements, Laundry Rooms, Garages, Attics and Kitchens by  (Grey)
Quick View
4 Pack Water Leak Detector - 95 dB Flood Detection Alarm Sensor for Bathrooms, Basements, Laundry Rooms, Garages, Attics and Kitchens by (Grey)
  • Brand: Emerson
  • Part Number: TN-1213462
  • Type: clock
  • Specifications: Batteries, Mindful Design, TN-1213462, 2 L x 7.3 W x 7.3 H inches, 17 ounces, 9 volts_of_direct_current, Battery Powered, 9-volt, 1, 95 decibels, Capacitive Sensor, Tabletop Mount
  • Model #: 212797053654
  •  
  • $49.99 
  • Free Shipping

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.