Skip to main content
  • In Stock
  • Sold by Newegg
  • New
Brands
Show More
Price
Show More
Protocol
Show More
Type
Show More
Amazon Alexa Compatibility
Google Assistant Compatibility
App-Enabled
Sold by
Availability
Condition
Current Promotion
Discount
Useful Links
Customer Ratings
  • Featured Brands

    See Deals from TP-Link
Sort By:
View:
APC NetBotz 20 Foot Leak Rope Sensor, NBES0308, Fluid Detection for Network Closets
Quick View
  •  
  • $458.99 –
  • $5.00 Shipping
Kidde Smoke & CO Detector, Hardwired & AA Battery Backup, 30CUAR-V, 1 Pack
Quick View
  •  
  • $136.88 –
  • Free Shipping
Kidde Smoke Detector, Hardwired with AA Battery Backup, 20SAR, 1 Pack
Quick View
  •  
  • $68.88 –
  • Free Shipping
Motion Sensor R1 with Case, 5.8G Radar,Adjustable Sensitivity,Zigbee Hub Required,Support Home Assistant,SmartThings,Homey,Hubitat or Echo Devices with Built-in Zigbee hub
Quick View
  •  
  • $61.99 –
  • Free Shipping
Wi-Fi Water Leak Detector Kit, 120 dB, 3 Sensors + Base, SWS54 | Real-Time Alerts, 1804 ft Range, IP66 Waterproof, Detects Water as Low as 0.4 mm, for Sinks & Washers
Quick View
  •  
  • $72.99 –
  • Free Shipping
Smart Sensor for Doors & Windows 2 Pack for Home Security | Get instant alerts when doors and windows are opened. Enhance your security and peace of mind by securing your home.
Quick View
  •  
  • $97.99 –
  • Free Shipping
Zigbee Contact Sensor 2 Pack,Door and Window Monitor, Home Automation,Works with Home Assistant,SmartThings,Aeotec,Homey,Hubitat or Echo Devices with Build-in Zigbee Hub,hub Required
Quick View
  •  
  • $63.99 –
  • Free Shipping
SmartThings SmartThings Water Leak Sensor, ZigBee, Battery Powered, Smart Home Hub Compatible
Quick View
SmartThings SmartThings Water Leak Sensor, ZigBee, Battery Powered, Smart Home Hub Compatible
  • Brand: Remotec
  • Part Number: GP-AEOWLSUS
  • Color: White
  • Type: 130 feet, 32 - 104 °F
  • Model #: 220863244067
  •  
  • $72.99 –
  • Free Shipping
Flood Gen4, WiFi, Bluetooth, Zigbee, Matter Smart Flood Sensor with Leak Sensor Cable, Alexa, SmartThings, Google Home, Apple HomeKit Compatible, Flood and Rain Detection, Easy to Use, IP44
Quick View
Flood Gen4, WiFi, Bluetooth, Zigbee, Matter Smart Flood Sensor with Leak Sensor Cable, Alexa, SmartThings, Google Home, Apple HomeKit Compatible, Flood and Rain Detection, Easy to Use, IP44
  • Brand: Shelly
  • Part Number: 171
  • Color: White
  • Specifications: Shelly, 3800238071714, 171, Plastic, 9.7 L x 7.4 W x 2.3 H centimeters, 91 grams, Floor Mount, 4, NiMh
  • Model #: 332917304720
  •  
  • $72.99 –
  • Free Shipping
Smart Motion Sensor, Wireless Hygrometer, Thermometer, Works with Apple HomeKit, Smart Home Automation, PIR Motion Detector-Thread ((iOS 17.4 and Above is Required)
Quick View
  •  
  • $61.99 –
  • Free Shipping
Presence Sensor R2,24GHz mmWave Radar,Adjustable Sensitivity,Zigbee Hub Required,Battery Powered,Support Home Assistant,SmartThings,Homey or Echo Devices with Built-in Zigbee hub
Quick View
Presence Sensor R2,24GHz mmWave Radar,Adjustable Sensitivity,Zigbee Hub Required,Battery Powered,Support Home Assistant,SmartThings,Homey or Echo Devices with Built-in Zigbee hub
  • Brand: THIRDREALITY
  • Part Number: 3RPS01083Z
  • Protocol: ZigBee
  • Amazon Alexa Compatibility: Home Assistant, SmartThings, Echo devices with built-in Zigbee hubs, Aeotec, Hubitat
  • Model #: 250130896729
  •  
  • $72.99 –
  • Free Shipping
Home Security System Entry Sensor - Window and Door Entry Protection (3-Pack) Wyze Sense Hub required
Quick View
Home Security System Entry Sensor - Window and Door Entry Protection (3-Pack) Wyze Sense Hub required
  • Brand: WYZE
  • Part Number: WSES2-3PK
  • Type: Entry Sensor (3-Pack)
  • Amazon Alexa Compatibility: application
  • Model #: 969626126503
  •  
  • $85.99 –
  • Free Shipping
Multi-State Sensor P100, Door and Window & Vibration Sensor, White | Thread/Zigbee, Open/Close or Object Monitoring, 10-Level Sensitivity, Supports Apple Home, Home Assistant, Alexa
Quick View
Multi-State Sensor P100, Door and Window & Vibration Sensor, White | Thread/Zigbee, Open/Close or Object Monitoring, 10-Level Sensitivity, Supports Apple Home, Home Assistant, Alexa
  • Brand: Aqara
  • Color: White
  • Specifications: Multi-Sensor P100, 1.77 L x 1.22 W x 0.51 H inches, 20 grams, true, VB-S03E, Lumi United Technology Co., Ltd
  • Dimensions: 50 Inches
  • Model #: 562399472173
  •  
  • $59.99 –
  • Free Shipping
Water and Freeze Sensor with Remote Alerts, IP65 Waterproof, 2-Year Battery Life, HomeBase Required, Compatible with HomeBase 2 and 3, Optional 24/7 Protection Service, App Control
Quick View
Water and Freeze Sensor with Remote Alerts, IP65 Waterproof, 2-Year Battery Life, HomeBase Required, Compatible with HomeBase 2 and 3, Optional 24/7 Protection Service, App Control
  • Brand: eufy
  • Amazon Alexa Compatibility: application
  • Google Assistant Compatibility: application
  • Specifications: eufy Security, T8920, 66 L x 66 W x 31 H millimeters, Battery Powered, Lithium-Ion, Capacitive, Thermistor/Thermocouple, Tabletop Mount, HomeBase 2, HomeBase 3
  • Model #: 230398165997
  •  
  • $64.99 –
  • Free Shipping
AirGuard SAWF-08P, Smart Indoor Air Quality Monitor, Matter Compatible, 2.4GHz WiFi, Carbon Dioxide/Temp/Humidity Monitor, Real-Time Display & Notification, for Indoor Use
Quick View
AirGuard SAWF-08P, Smart Indoor Air Quality Monitor, Matter Compatible, 2.4GHz WiFi, Carbon Dioxide/Temp/Humidity Monitor, Real-Time Display & Notification, for Indoor Use
  • Brand: Sonoff
  • Part Number: SAWF-08P
  • Type: SAWF-08P
  • Specifications: SAWF-08P, SONOFF, 3.4036 L x 12.8016 W x 13.589 H centimeters, 0.191 kilograms, false
  • Model #: 862223952398
  •  
  • $85.99 –
  • Free Shipping
Blink Mini - Compact Indoor Plug-in Smart Security Camera, 1080 HD Video, Motion Detection, Works with Alexa (2-pack)
Quick View
Used - Very Good Blink Mini - Compact Indoor Plug-in Smart Security Camera, 1080 HD Video, Motion Detection, Works with Alexa (2-pack)
  • Bundled Camera Number: 2 Cameras
  • Color: White
  • HD Resolution: 1080P
  • Night Vision: Yes
  • Model #: AMZ-BLINKMINI-CAM2
  •  
  • $29.99 –
  • Free Shipping
Google Nest Cam Indoor - Wired Indoor Camera for Home Security - Control with Your Phone and Get Mobile Alerts - Surveillance Camera with 24/7 Live Video and Night Vision
Quick View
  •  
  • $169.90 –
  • Free Shipping
Ring Temperature & Humidity Sensor, Amazon Sidewalk, White
Quick View
  •  
  • $34.99 –
  • $4.99 Shipping
Eyedro Smart Home Energy Monitor 200A 2.4GHz WiFi/Ethernet Net Metering
Quick View
  •  
  • $284.45 –
  • Free Shipping
Kidde Hardwired Smoke & Carbon Monoxide Detector, AA Battery Backup, Interconnectable, LED Warning Light Indicators
Quick View
  •  
  • $106.88 –
  • 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.