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Buy Sensors & Alarms for Home Safety

Found 431 items
Multifunctional Portable Gas Detector Monitor — Gas Analyzers, Rustic Elegance House

Gas Safety Equipment

(2)

Rustic Elegance House AS8900 4-in-1 gas detection

$1,771.37
  • Specifications
  • Brand: Rustic Elegance House
  • Model: AS8900
  • Detection Gases: O2, H2S, CO, Combustible gas
  • Design: Portable
  • Monitoring: Real-time
Radon Detector for Home — Gas Safety Equipment, Neoglint

Fire Safety Equipment

(3)

Radon Detector for Home Tuya app integration

$335.15
  • Specifications
  • Brand: Neoglint
  • Detection Type: Radon gas
  • Alarm Type: Sound, Light
  • Connectivity: Tuya app
  • Plug Type: US Plug
Smart WiFi Water Quality Tester — Hydrometers, Home Of Auto Parts

Water Leak Detection Systems

(3)

Home Of Auto Parts Digital 7 in 1 Water Analyzer 7-in-1 water analysis

$299.00
  • Specifications
  • Brand: Home Of Auto Parts
  • Model: Digital 7 in 1 Water Analyzer
  • Measurements: pH, EC, TDS, ORP, CF, Humidity, Temperature
  • Connectivity: WiFi
  • Plug Type: EU
Smart Water Quality Monitor — Home Climate Control, Vestidos

Water Leak Detection Systems

(1)

Smart Water Quality Monitor WiFi connectivity

$189.31
  • Specifications
  • Brand: Vestidos
  • Connectivity: WiFi
  • Compatibility: Tuya APP
  • Measurement Types: Temperature, PH, ORP
  • GTIN: 753584934383
Portable Oxygen Detector — Gas Analyzers, Kkmoon

Gas Safety Equipment

(1)

Kkmoon AS8801 Portable design

$139.22
  • Specifications
  • Brand: Kkmoon
  • Model: AS8801
  • Detection Type: Oxygen
  • Use Case: Industrial
  • Portability: Portable
8-in-1 Smart WiFi Water Quality Meter — Hydrometers, Crown Global

Water Leak Detection Systems

(3)

8-in-1 Smart WiFi Water Quality Meter WiFi connectivity

$126.43
  • Specifications
  • Brand: Crown Global
  • Connectivity: WiFi
  • Precision: High
  • Compatibility: Aquariums, Pools, Hydroponics
Wi-Fi CO2 Sensor — Air Quality Monitors, RATOC

CO Detectors & Alarms

(2)

RATOC RS-WFCO2 White Wi-Fi connectivity

$120.06
  • Specifications
  • Brand: RATOC
  • Model: RS-WFCO2
  • Connectivity: Wi-Fi
  • Color: White
  • GTIN: 4949090721074
2-Channel 4G SMS Alarm Controller with Web App — Smart Home Security, Vestidos

Fire Safety Equipment

(3)

Vestidos SM2 WLTE EA 4G LTE connectivity

$89.12
  • Specifications
  • Brand: Vestidos
  • Model: SM2 WLTE EA
  • Connectivity: 4G LTE
  • Channels: 2
  • Monitoring: Temperature, Humidity
  • Control: Web application
  • Notifications: SMS
Liquid Level Indicator — Coolant Level, TOMTOP JMS

Water Leak Detection Systems

(2)

TOMTOP JMS ALS136 Water tank level control

$84.58
  • Specifications
  • Brand: TOMTOP JMS
  • Model: ALS136
  • Operating Voltage: AC 200V
  • Function: Level monitoring, Alarm signaling
  • Installation: Easy
Home Water Level Controller — Controllers, TOMTOP JMS

Water Leak Detection Systems

(3)

Home Water Level Controller Wi-Fi connectivity

$65.05
  • Specifications
  • Brand: TOMTOP JMS
  • Connectivity: Wi-Fi
  • Functionality: Water level detection, Signal device
  • Design: Colorful
  • Installation: Easy
Water Sensor Attachment for Vehicles — Brake Fluid Level, NOBU JAPAN

Water Leak Detection Systems

(1)

NOBU JAPAN 19237 Detects water presence

$64.69
  • Specifications
  • Brand: NOBU JAPAN
  • Model: 19237
  • Size: 38mm
  • GTIN: 4959094192374
Door Sensor — Smart Home Security, TOMTOP JMS

Fire Safety Equipment

(1)

TOMTOP JMS EU2 White 433 MHz frequency

$59.77
  • Specifications
  • Brand: TOMTOP JMS
  • Model: EU2
  • Frequency: 433 MHz
  • Operation: Wireless
  • Color: White
  • Compatibility: Smart home systems
4-In-1 Gas CO Alarm Detector With Temperature Humidity LCD Display — Gas & CO Detectors, yieryi

Gas Safety Equipment

(1)

4-In-1 Gas CO Alarm Detector With Temperature Humidity LCD Display 4-in-1 detection capability

$52.77
  • Specifications
  • Brand: yieryi
  • Detection Capability: Gas, CO, Temperature, Humidity
  • Display: LCD
  • Plug Compatibility: EU, US
  • Suitable For: Home, RV, Apartment, Villa
Automatic Sensor Switch Water Dispenser — Hydration Solutions, MIJIA HOME

Water Leak Detection Systems

(2)

MIJIA HOME Xiaolang White Automatic sensor switch

$51.52
  • Specifications
  • Brand: MIJIA HOME
  • Model: Xiaolang
  • Operation: Automatic sensor switch
  • Power Source: USB rechargeable
  • Pump Type: Wireless electric pump
  • Additional Features: TDS test function
  • Color: White
Smart Siren — Smart Home Security, OutsideWorld

Fire Safety Equipment

(3)

Smart Siren 90 dB loud alarm

$47.86
  • Specifications
  • Brand: OutsideWorld
  • Alarm Loudness: 90 dB
  • Sensor Type: Sound and light
  • Control: APP remote control
  • Installation: Wireless
Smart Fire Smoke Alarm — Smoke Detectors, Vestidos

Fire Safety Equipment

(3)

Smart Fire Smoke Alarm Wireless connectivity

$47.75
  • Specifications
  • Brand: Vestidos
  • Connectivity: Wireless
  • Detection Type: Smoke, Fire
  • Power Source: Battery
  • Compatibility: Smart home systems
Smart Motion Sensor with Light Detection — Smart Home Security, Home Of Auto Parts

Fire Safety Equipment

(3)

Home Of Auto Parts Tuya Zigbee 3.0 Zigbee 3.0 connectivity

$46.63
  • Specifications
  • Brand: Home Of Auto Parts
  • Model: Tuya Zigbee 3.0
  • Connectivity: Zigbee 3.0, WiFi
  • Sensors: PIR human motion detection, Light level sensor
  • Features: Scene button, Remote control
Smart WiFi LCD Gas Leak Detector — Gas Safety Equipment, Ren Sexy Toy

Gas Safety Equipment

(2)

Smart WiFi LCD Gas Leak Detector WiFi connectivity

$43.33
  • Specifications
  • Brand: Ren Sexy Toy
  • Power Source: USB
  • Detection Gases: Propane, Methane-butane
  • Alarm Type: Sound, Light
  • Connectivity: WiFi
  • Display: LCD digital
Smart Fire Smoke Alarm — Smoke Detectors, Vestidos

Fire Safety Equipment

(2)

Smart Fire Smoke Alarm APP Remote Control

$42.95
  • Specifications
  • Brand: Vestidos
  • Alarm Volume: 85dB
  • Connectivity: WiFi
  • Control: APP Remote Control
Smart Water Leak Detector — Water Leak Detection Systems, Home Of Auto Parts

Water Leak Detection Systems

(2)

Smart Water Leak Detector IP67 waterproof rating

$41.45
  • Specifications
  • Brand: Home Of Auto Parts
  • Waterproof Rating: IP67
  • Connectivity: ZigBee
  • Compatibility: Tuya smart home
Smart Siren Alarm — Smart Home Security, OutsideWorld

Fire Safety Equipment

(3)

Smart Siren Alarm Wireless WiFi APP control

$39.50
  • Specifications
  • Brand: OutsideWorld
  • Sound Level: 105 dB
  • Control Method: WiFi APP
  • Alarm Type: Sound and Light
  • Installation: Wireless
Smart Water Leak Detector — Water Leak Detection Systems, Home Of Auto Parts

Water Leak Detection Systems

(3)

Smart Water Leak Detector IP67 waterproof rating

$39.48
  • Specifications
  • Brand: Home Of Auto Parts
  • Waterproof Rating: IP67
  • Connectivity: ZigBee
  • Compatibility: Tuya smart home
  • Function: Leak detection, Alarm
Wireless Sound and Light Siren — Smart Home Security, OutsideWorld

Fire Safety Equipment

(3)

Wireless Sound and Light Siren 90 dB alarm sound

$38.66
  • Specifications
  • Brand: OutsideWorld
  • Alarm Sound Level: 90 dB
  • Connectivity: 2.4 GHz WIFI
  • Operation: Wireless
Smart Water Sensor — Water Leak Detection Systems, Home Of Auto Parts

Water Leak Detection Systems

(2)

Home Of Auto Parts ZigBee Smart Water Sensor Light gray ZigBee connectivity

$38.65
  • Specifications
  • Brand: Home Of Auto Parts
  • Model: ZigBee Smart Water Sensor
  • Connectivity: ZigBee
  • Compatibility: Smart Life app
  • Color: Light gray
Smart Doorbell with Alarm Sensor — Smart Home Security, Vestidos

Fire Safety Equipment

(2)

Smart Doorbell with Alarm Sensor Alarm sensor integration

$38.23
  • Specifications
  • Brand: Vestidos
  • Compatibility: Tuya smart home systems
  • Technology: Induction doorbell
  • Installation: DIY
Intelligent Light Column with Built-in Depth Detector Controller — Black Light, Headecoration

Water Leak Detection Systems

(2)

Headecoration T80 Built-in depth detector controller

$36.05
  • Specifications
  • Brand: Headecoration
  • Model: T80
  • Display: LCD
  • Detection Type: Oil and water liquid depth
  • Lighting: Multi-color
Mini Wireless Infrared Motion Sensor — Smart Home Security, Home Of Auto Parts

Fire Safety Equipment

(2)

Home Of Auto Parts Tuya Zigbee PIR Zigbee connectivity

$33.36
  • Specifications
  • Brand: Home Of Auto Parts
  • Model: Tuya Zigbee PIR
  • Connectivity: Zigbee
  • Compatibility: Smart Life App, Alexa, Google Home
  • Design: Wireless, Compact
Smoke Detector — Smoke Detectors, OutsideWorld

Fire Safety Equipment

(1)

Smoke Detector White Zigbee connectivity

$33.32
  • Specifications
  • Brand: OutsideWorld
  • Connectivity: Zigbee
  • Power Source: Battery
  • Color: White
  • Response Time: Fast
  • Detection Sensitivity: High
Wi-Fi Smoke Detector — Smoke Detectors, Automobile and motorcycle supplies

Fire Safety Equipment

(1)

Wi-Fi Smoke Detector White Smart Life Tuya app control

$32.89
Wi-Fi Gas Leak Alarm — Gas Safety Equipment, Toys Arts

Gas Safety Equipment

(2)

Wi-Fi Gas Leak Alarm Wi-Fi connectivity

$32.12
  • Specifications
  • Brand: Toys Arts
  • Connectivity: Wi-Fi
  • Detectable Gases: Natural gas, Biogas, Methane
  • Control: Remote via app
Smart Door/Window Sensor — Smart Home Security, Home Of Auto Parts

Fire Safety Equipment

(3)

Home Of Auto Parts Tuya Smart Life White ZigBee connectivity

$29.80
  • Specifications
  • Brand: Home Of Auto Parts
  • Model: Tuya Smart Life
  • Connectivity: ZigBee
  • Compatibility: Alexa, Google Home
  • Color: White
Smart Door Window Sensor — Smart Home Security, Vestidos

Fire Safety Equipment

(3)

Smart Door Window Sensor Voice control

$29.75
  • Specifications
  • Brand: Vestidos
  • Compatibility: ZigBee
  • Installation: Wireless
  • Control: Voice, Remote
Smart Gas Leak Detector — Gas Safety Equipment, TOMTOP JMS

Gas Safety Equipment

(2)

Smart Gas Leak Detector White Wi-Fi connectivity

$28.43
  • Specifications
  • Brand: TOMTOP JMS
  • Connectivity: Wi-Fi
  • Detection Type: Combustible Gas
  • Color: White
Smart Water Leak Detector — Water Leak Detection Systems, KITCHEN-MALL

Water Leak Detection Systems

(3)

Smart Water Leak Detector WiFi connectivity

$26.26
  • Specifications
  • Brand: KITCHEN-MALL
  • Connectivity: WiFi
  • Alarm Sound: 80 dB
  • App Integration: Tuya Smart Life
  • Protection Features: Leak level detection, Overflow protection
Smart Water Leak Detector — Water Leak Detection Systems, Vestidos

Water Leak Detection Systems

(2)

Smart Water Leak Detector ZigBee wireless connectivity

$23.61
  • Specifications
  • Brand: Vestidos
  • Connectivity: ZigBee Wireless
  • Usage: Kitchen, Bathroom
  • Detection: Sensitive Flood
Water Leak Detector — Water Leak Detection Systems, Neoglint

Water Leak Detection Systems

(2)

Water Leak Detector High sensitivity monitoring

$23.19
  • Specifications
  • Brand: Neoglint
  • Connectivity: ZigBee
  • Compatibility: TUYA Smart app
  • Sensitivity: High
Smart Water Leak Detector — Water Leak Detection Systems, Koogeelife

Water Leak Detection Systems

(2)

Smart Water Leak Detector White Wi-Fi connectivity

$21.71
  • Specifications
  • Brand: Koogeelife
  • Connectivity: Wi-Fi
  • Color: White
  • Monitoring: App-controlled
  • Alarm Type: Flood level
Recessed Magnetic Switch AC220V Iron NC Wired Door Sensor Window Reed Switch for Alarm — Smart Home Security, Neoglint

Fire Safety Equipment

(2)

Recessed Magnetic Switch AC220V Iron NC Wired Door Sensor Window Reed Switch for Alarm

$21.65
  • Specifications
  • Brand: Neoglint
  • Voltage: AC220V
  • Material: Iron
  • Type: NC (Normally Closed)
  • Installation: Recessed
  • Quantity: 2 sets
Door and Window Alarm Sensor — Smart Home Security, GoolRC

Water Leak Detection Systems

(1)

Door and Window Alarm Sensor Smart low battery notification

$21.22
  • Specifications
  • Brand: GoolRC
  • Battery: Low battery notification
  • Warning Modes: 2
  • Installation: Easy
  • Power Switch: One-touch
Recessed Magnetic Switch — Smart Home Security, Neoglint

Fire Safety Equipment

(2)

Recessed Magnetic Switch DC100V 10W

$21.11
  • Specifications
  • Brand: Neoglint
  • Voltage: DC100V
  • Power: 10W
  • Configuration: NO NC
  • Quantity: 5 sets
Smart Water Leak Alarm — Water Leak Detection Systems, YOCOLO

Water Leak Detection Systems

(2)

Smart Water Leak Alarm Wi-Fi connectivity

$21.06
  • Specifications
  • Brand: YOCOLO
  • Connectivity: Wi-Fi
  • Alert Type: Remote notification
  • Installation: Tool-free
Smart WiFi Door Window Sensor — Smart Home Security, Sunnyway

Fire Safety Equipment

(2)

Smart WiFi Door Window Sensor White WiFi connectivity for remote alerts

$20.85
  • Specifications
  • Brand: Sunnyway
  • Connectivity: WiFi
  • Compatibility: Amazon Alexa, Google Home
  • Detection Type: Open/Close
  • Power Source: Battery
  • Color: White
WiFi Door and Window Sensor — Smart Home Security, Vestidos

Fire Safety Equipment

(1)

WiFi Door and Window Sensor WiFi connectivity

$20.68
  • Specifications
  • Brand: Vestidos
  • Connectivity: WiFi
  • Compatibility: Smart home systems, Alarm systems
  • Installation: DIY
  • Use Case: Room, Office
Smart Wi-Fi Water Leak Detector — Water Leak Detection Systems, Neoglint

Water Leak Detection Systems

(2)

Smart Wi-Fi Water Leak Detector Wi-Fi connectivity

$20.49
  • Specifications
  • Brand: Neoglint
  • Connectivity: Wi-Fi
  • Operation: Wireless
  • Alert Type: Mobile notifications
  • Detection Capability: Water leaks, Flood level
Smart Wi-Fi Door Window Magnetic Detector — Smart Home Security, Neoglint

Fire Safety Equipment

(2)

Smart Wi-Fi Door Window Magnetic Detector Wi-Fi connectivity

$19.95
  • Specifications
  • Brand: Neoglint
  • Connectivity: Wi-Fi
  • Compatibility: Google Home
  • Detection Type: Magnetic
Smart Door Window Sensor — Smart Home Security, OFFICE-MALL

Fire Safety Equipment

(3)

OFFICE-MALL Tuya Wifi WiFi connectivity

$19.46
  • Specifications
  • Brand: OFFICE-MALL
  • Model: Tuya Wifi
  • Connectivity: WiFi
  • Compatibility: Yandex, Alisa, Google Assistant
  • Detection Type: Magnetic
  • Installation: Adhesive backing
Smart Water Leak Detector — Water Leak Detection Systems, Neoglint

Water Leak Detection Systems

(2)

Smart Water Leak Detector Wi-Fi connectivity

$19.02
  • Specifications
  • Brand: Neoglint
  • Connectivity: Wi-Fi
  • Compatibility: TUYA app
  • Use Case: Home, Office, School, Storage
Smart Water Leak Alarm — Water Leak Detection Systems, Dongfang HOME D

Water Leak Detection Systems

(2)

Smart Water Leak Alarm White Wi-Fi connectivity

$17.10
  • Specifications
  • Brand: Dongfang HOME D
  • Connectivity: Wi-Fi
  • Standby Mode: Ultra-long
  • Color: White
  • Usage Areas: Kitchen, Bathroom
Vibration Sensor — Smart Home Security, OutsideWorld

Fire Safety Equipment

(2)

OutsideWorld TY APP WiFi connectivity

$16.66
  • Specifications
  • Brand: OutsideWorld
  • Model: TY APP
  • Connectivity: WiFi
  • Functions: Vibration detection, Fall detection, Alarm system
  • Compatibility: Smart home systems
Smart WiFi Door/Window Sensor — Smart Home Security, CosyHome

Fire Safety Equipment

(2)

Smart WiFi Door/Window Sensor Voice control with Google Home

$16.28
  • Specifications
  • Brand: CosyHome
  • Connectivity: WiFi
  • Compatibility: Google Home, Tuya
  • Installation: Easy, No hub required
  • Alert Type: Real-time notifications
Wireless Water Leak Detector — Water Leak Detection Systems, 3d printing machine

Water Leak Detection Systems

(2)

3d printing machine TY App White 2.4 GHz wireless connectivity

$15.79
  • Specifications
  • Brand: 3d printing machine
  • Model: TY App
  • Connectivity: 2.4 GHz wireless, ZigBee
  • Color: White
  • Features: Remote control, Water detection probe
Water Leak Detector — Water Leak Detection Systems, Neoglint

Water Leak Detection Systems

(2)

Water Leak Detector WiFi connectivity

$15.33
  • Specifications
  • Brand: Neoglint
  • Connectivity: WiFi
  • Compatibility: Tuya
  • Function: Water leak detection, Flood level detection
Analog TDS Sensor Cleanliness Measurement Waterproof Probe — Water Leak Detection Systems, Vestidos

Water Leak Detection Systems

(1)

Analog TDS Sensor Cleanliness Measurement Waterproof Probe Waterproof design

$14.97
  • Specifications
  • Brand: Vestidos
  • Measurement Type: TDS (Total Dissolved Solids)
  • Probe Type: Waterproof
  • Use Case: Home water quality testing, Aquariums, Hydroponic systems
  • Output: Analog
Human Presence Detector — Smart Home Security, Oudun

Fire Safety Equipment

(1)

Human Presence Detector Zigbee/WIFI connectivity

$13.86
  • Specifications
  • Brand: Oudun
  • Connectivity: Zigbee, WIFI
  • Detection Capabilities: Human presence, Light levels, Distance
  • Compatibility: Alexa, Google Home
  • Control: App-controlled
Smart Water Sensor — Water Leak Detection Systems, Meiteai-All

Water Leak Detection Systems

(2)

Smart Water Sensor Water flood detection

$13.48
  • Specifications
  • Brand: Meiteai-All
  • Connectivity: ZigBee WiFi
  • Compatibility: Smart Life APP, ZigBee gateway
  • Functionality: Water flood detection, Remote alarm notification
Carbon Monoxide Detector — Carbon Monoxide Detectors, Yaouanyuan

Gas Safety Equipment

(2)

Carbon Monoxide Detector White High sensitivity CO sensor

$12.19
  • Specifications
  • Brand: Yaouanyuan
  • Sensor Type: Carbon Monoxide
  • Sensitivity: High
  • Color: White
  • Intended Use: Office, Depot
Carbon Monoxide Detector with LED Digital Display — Carbon Monoxide Detectors, junjiejituan

Gas Safety Equipment

(2)

Carbon Monoxide Detector with LED Digital Display High sensitivity CO gas monitoring

$12.14
  • Specifications
  • Brand: junjiejituan
  • Detection Type: Carbon Monoxide (CO)
  • Display: LED Digital
  • Alarm Type: Audible
  • Sensitivity: High
  • Power Source: Battery or AC power (inferred)
Wireless Smart WiFi Temperature and Humidity Sensor — Smart Home Security, OmniShop

Fire Safety Equipment

(2)

OmniShop Tuya Wireless connectivity

$12.03
  • Specifications
  • Brand: OmniShop
  • Model: Tuya
  • Connectivity: WiFi
  • Monitoring: Temperature, Humidity
  • Compatibility: Smart home systems
Water Leak Detector — Water Leak Detection Systems, Neoglint

Water Leak Detection Systems

(2)

Water Leak Detector Remote monitoring

$11.74
  • Specifications
  • Brand: Neoglint
  • Alarm Volume: 120 dB
  • Monitoring: Remote
  • Sensor Type: Overflow sensitive
WiFi Smoke Detector Alarm — Smoke & CO Detectors, Meiteai-All

Fire Safety Equipment

(2)

WiFi Smoke Detector Alarm 85 dB sound alarm

$8.55
  • Specifications
  • Brand: Meiteai-All
  • Sound Level: 85 dB
  • Connectivity: WiFi
  • Compatibility: Smart Life app
  • Detection Type: Smoke
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