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Buy Sensors & Alarms for Home Safety

Found 431 items
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

$300.00
  • 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
Portable Oxygen Detector — Gas Analyzers, Kkmoon

Gas Safety Equipment

(1)

Kkmoon AS8801 Portable design

$139.69
  • Specifications
  • Brand: Kkmoon
  • Model: AS8801
  • Detection Type: Oxygen
  • Use Case: Industrial
  • Portability: Portable
Temperature Alarm Power Failure Alarm Remote Monitoring Controller GSM Signal — Smart Home Security, GoolRC

Fire Safety Equipment

(2)

Temperature Alarm Power Failure Alarm Remote Monitoring Controller GSM Signal

$121.63
  • Specifications
  • Brand: GoolRC
  • Voltage: 240V
  • Monitoring Type: Temperature, Power Failure
  • Communication: GSM Signal
Water Level Sensor WIFI Leakage Controller — Water Leak Detection Systems, Tulan market

Water Leak Detection Systems

(3)

Water Level Sensor WIFI Leakage Controller WIFI connectivity

$107.41
  • Specifications
  • Brand: Tulan market
  • Connectivity: WIFI
  • Compatibility: Swim pools, Vape tanks, Home appliances
  • Alert Type: Real-time notifications
Smart CO2 Detector — Air Quality Monitors, TOMTOP JMS

Fire Safety Equipment

(1)

Smart CO2 Detector Wi-Fi connectivity

$68.17
  • Specifications
  • Brand: TOMTOP JMS
  • Connectivity: Wi-Fi
  • Display: LCD
  • Measurements: CO2 levels, temperature, humidity
Home Water Level Controller — Controllers, TOMTOP JMS

Water Leak Detection Systems

(3)

Home Water Level Controller Wi-Fi connectivity

$65.27
  • Specifications
  • Brand: TOMTOP JMS
  • Connectivity: Wi-Fi
  • Functionality: Water level detection, Signal device
  • Design: Colorful
  • Installation: Easy
Smart Home WiFi Smoke Detector — Smoke Detectors, Freedom BABY

Fire Safety Equipment

(1)

Smart Home WiFi Smoke Detector Wireless connectivity

$63.11
  • Specifications
  • Brand: Freedom BABY
  • Connectivity: WiFi
  • Power Source: Battery
  • Alert Type: Real-time smartphone alerts
Door Sensor — Smart Home Security, TOMTOP JMS

Fire Safety Equipment

(1)

TOMTOP JMS EU2 White 433 MHz frequency

$59.97
  • Specifications
  • Brand: TOMTOP JMS
  • Model: EU2
  • Frequency: 433 MHz
  • Operation: Wireless
  • Color: White
  • Compatibility: Smart home systems
Wireless Smoke Detection Sensor — Smoke Detectors, Freedom BABY

Fire Safety Equipment

(3)

Freedom BABY Fire Home Remote Remote monitoring

$50.69
  • Specifications
  • Brand: Freedom BABY
  • Model: Fire Home Remote
  • Connectivity: Wireless
  • Monitoring: Remote
  • Installation: Easy
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

$46.79
  • 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
Wi-Fi Gas Leak Alarm — Gas Safety Equipment, GoolRC

Gas Safety Equipment

(3)

GoolRC Sniffer 85 dB alarm sound

$46.55
  • Specifications
  • Brand: GoolRC
  • Model: Sniffer
  • Alarm Sound: 85 dB
  • Connectivity: Wi-Fi
  • Compatibility: TUYA Smart Life app
Smart WiFi LCD Gas Leak Detector — Gas Safety Equipment, Ren Sexy Toy

Gas Safety Equipment

(2)

Smart WiFi LCD Gas Leak Detector WiFi connectivity

$43.47
  • Specifications
  • Brand: Ren Sexy Toy
  • Power Source: USB
  • Detection Gases: Propane, Methane-butane
  • Alarm Type: Sound, Light
  • Connectivity: WiFi
  • Display: LCD digital
Water Leak Sensor — Water Leak Detection Systems, GoolRC

Water Leak Detection Systems

(2)

Water Leak Sensor Wireless connectivity

$43.30
  • Specifications
  • Brand: GoolRC
  • Connectivity: Wireless
  • Compatibility: Tuya Smart, ZigBee Gateway
  • Installation: Easy
  • Alerts: Real-time
Smart Water Leak Detector — Water Leak Detection Systems, Home Of Auto Parts

Water Leak Detection Systems

(2)

Smart Water Leak Detector IP67 waterproof rating

$41.59
  • Specifications
  • Brand: Home Of Auto Parts
  • Waterproof Rating: IP67
  • Connectivity: ZigBee
  • Compatibility: Tuya smart home
Smart Water Leak Sensor — Water Leak Detection Systems, GoolRC

Water Leak Detection Systems

(2)

Smart Water Leak Sensor Wireless water leak detection

$40.89
  • Specifications
  • Brand: GoolRC
  • Connectivity: ZigBee
  • Compatibility: TUYA app
  • Installation: Wireless
Smart Wi-Fi Natural Gas Detector — Gas Safety Equipment, Tulan market

Gas Safety Equipment

(3)

Smart Wi-Fi Natural Gas Detector Wi-Fi connectivity

$40.25
  • Specifications
  • Brand: Tulan market
  • Connectivity: Wi-Fi
  • Gas Detection: LPG, Natural Gas
  • Safety Standards: EU Protection Standard
  • Alarm Type: Fire Safety Alarm
Water Leak Detector with Buzzer — Water Leak Detection Systems, KITCHEN-MALL

Water Leak Detection Systems

(4)

Water Leak Detector with Buzzer WiFi and ZigBee connectivity

$39.84
  • Specifications
  • Brand: KITCHEN-MALL
  • Connectivity: WiFi, ZigBee
  • Alarm Type: Buzzer
  • Installation: Easy
  • Compatibility: Tuya smart home systems
Smart Water Leak Detector — Water Leak Detection Systems, Home Of Auto Parts

Water Leak Detection Systems

(3)

Smart Water Leak Detector IP67 waterproof rating

$39.62
  • Specifications
  • Brand: Home Of Auto Parts
  • Waterproof Rating: IP67
  • Connectivity: ZigBee
  • Compatibility: Tuya smart home
  • Function: Leak detection, Alarm
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

$38.78
  • Specifications
  • Brand: Home Of Auto Parts
  • Model: ZigBee Smart Water Sensor
  • Connectivity: ZigBee
  • Compatibility: Smart Life app
  • Color: Light gray
WIFI Fuel Gas Leak Detector Smart Sensor Alarm — Gas Safety Equipment, GoolRC

Gas Safety Equipment

(4)

WIFI Fuel Gas Leak Detector Smart Sensor Alarm WIFI connectivity

$36.45
  • Specifications
  • Brand: GoolRC
  • Connectivity: WIFI
  • Compatibility: Tuya
  • Display: LCD
Intelligent Light Column with Built-in Depth Detector Controller — Black Light, Headecoration

Water Leak Detection Systems

(2)

Headecoration T80 Built-in depth detector controller

$36.17
  • Specifications
  • Brand: Headecoration
  • Model: T80
  • Display: LCD
  • Detection Type: Oil and water liquid depth
  • Lighting: Multi-color
Vibration Sensor — Smart Home Security, Y-KOOK

Fire Safety Equipment

(1)

Vibration Sensor Smart home integration

$35.69
  • Specifications
  • Brand: Y-KOOK
  • Compatibility: Tuya smart home ecosystem
  • Connectivity: Wireless
  • Installation: Easy, no wiring required
Smart Water Leak Sensor — Water Leak Detection Systems, GoolRC

Water Leak Detection Systems

(2)

GoolRC WS20 White WiFi connectivity

$33.94
  • Specifications
  • Brand: GoolRC
  • Model: WS20
  • Connectivity: WiFi
  • Power Consumption: Ultra-low
  • Color: White
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

$33.47
  • Specifications
  • Brand: Home Of Auto Parts
  • Model: Tuya Zigbee PIR
  • Connectivity: Zigbee
  • Compatibility: Smart Life App, Alexa, Google Home
  • Design: Wireless, Compact
Wi-Fi Smoke Detector — Smoke Detectors, Automobile and motorcycle supplies

Fire Safety Equipment

(1)

Wi-Fi Smoke Detector White Smart Life Tuya app control

$33.00
Wi-Fi Gas Leak Alarm — Gas Safety Equipment, Toys Arts

Gas Safety Equipment

(2)

Wi-Fi Gas Leak Alarm Wi-Fi connectivity

$32.23
  • Specifications
  • Brand: Toys Arts
  • Connectivity: Wi-Fi
  • Detectable Gases: Natural gas, Biogas, Methane
  • Control: Remote via app
Smart Smoke Detector — Smoke Detectors, Automobile and motorcycle supplies

Fire Safety Equipment

(2)

Smart Smoke Detector White Wi-Fi enabled

$31.60
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

$29.90
  • Specifications
  • Brand: Home Of Auto Parts
  • Model: Tuya Smart Life
  • Connectivity: ZigBee
  • Compatibility: Alexa, Google Home
  • Color: White
Smart Smoke and Fire Detector — Smoke Detectors, CosyHome

Fire Safety Equipment

(2)

Smart Smoke and Fire Detector WIFI connectivity

$29.37
  • Specifications
  • Brand: CosyHome
  • Connectivity: WIFI
  • Compatibility: Tuya app
  • Alert Type: Voice, LED
Smart WiFi Siren — Smart Home Security, GoolRC

Fire Safety Equipment

(2)

Smart WiFi Siren WiFi connectivity

$29.31
  • Specifications
  • Brand: GoolRC
  • Connectivity: WiFi
  • Power Source: USB
  • Sensors: Temperature, Humidity
  • Control: Smartphone app
Smart Door and Window Sensor — Smart Home Security, GoolRC

Fire Safety Equipment

(2)

Smart Door and Window Sensor WiFi connectivity

$29.18
  • Specifications
  • Brand: GoolRC
  • Connectivity: WiFi
  • Compatibility: Alexa, Google Home, Tuya
  • Installation: Easy
Smart Gas Leak Detector — Gas Safety Equipment, TOMTOP JMS

Gas Safety Equipment

(2)

Smart Gas Leak Detector White Wi-Fi connectivity

$28.53
  • Specifications
  • Brand: TOMTOP JMS
  • Connectivity: Wi-Fi
  • Detection Type: Combustible Gas
  • Color: White
Smart Water Leak Detector — Water Leak Detection Systems, White Dream

Water Leak Detection Systems

(1)

Smart Water Leak Detector Wi-Fi connectivity

$27.27
  • Specifications
  • Brand: White Dream
  • Connectivity: Wi-Fi
  • Detection Type: Water immersion
  • Alarm: Yes
  • App Control: Yes
  • Real-time Alerts: Yes
Smart Water Leak Detector — Water Leak Detection Systems, KITCHEN-MALL

Water Leak Detection Systems

(3)

Smart Water Leak Detector WiFi connectivity

$26.35
  • Specifications
  • Brand: KITCHEN-MALL
  • Connectivity: WiFi
  • Alarm Sound: 80 dB
  • App Integration: Tuya Smart Life
  • Protection Features: Leak level detection, Overflow protection
Water Leak Detector — Water Leak Detection Systems, Tuya

Water Leak Detection Systems

(2)

Tuya Smart Zigbee connectivity

$26.34
  • Specifications
  • Brand: Tuya
  • Model: Smart
  • Connectivity: Zigbee
  • Compatibility: Zigbee2mqtt, Home assistant
  • Monitoring: Remote via app
Water Level Indicator — Water Temp, TOMTOP JMS

Water Leak Detection Systems

(2)

Water Level Indicator Smart alarm system

$23.81
  • Specifications
  • Brand: TOMTOP JMS
  • Compatibility: 32V DC
  • Resistance: 190 Ohm
  • Sensor Standard: European
  • Display Size: 52mm (2 inch)
Water Leak Detector — Water Leak Detection Systems, Neoglint

Water Leak Detection Systems

(2)

Water Leak Detector High sensitivity monitoring

$23.27
  • 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

$21.78
  • 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

$21.72
  • Specifications
  • Brand: Neoglint
  • Voltage: AC220V
  • Material: Iron
  • Type: NC (Normally Closed)
  • Installation: Recessed
  • Quantity: 2 sets
Water Leak Sensor — Water Leak Detection Systems, Neoglint

Water Leak Detection Systems

(2)

Water Leak Sensor WiFi connectivity

$21.27
  • Specifications
  • Brand: Neoglint
  • Connectivity: WiFi
  • Alarm Type: Sound, Light
  • Design: Wireless
Smart Water Leak Alarm — Water Leak Detection Systems, YOCOLO

Water Leak Detection Systems

(2)

Smart Water Leak Alarm Wi-Fi connectivity

$21.13
  • Specifications
  • Brand: YOCOLO
  • Connectivity: Wi-Fi
  • Alert Type: Remote notification
  • Installation: Tool-free
WiFi Door and Window Sensor — Smart Home Security, Vestidos

Fire Safety Equipment

(1)

WiFi Door and Window Sensor WiFi connectivity

$20.75
  • Specifications
  • Brand: Vestidos
  • Connectivity: WiFi
  • Compatibility: Smart home systems, Alarm systems
  • Installation: DIY
  • Use Case: Room, Office
Gas Detector Alarm Sensor — Gas Safety Equipment, feiyanautoparts

Gas Safety Equipment

(2)

Gas Detector Alarm Sensor 12V power supply

$20.68
  • Specifications
  • Brand: feiyanautoparts
  • Power Supply: 12V
  • Detection Gases: Propane, Butane, LPG, Natural Gas
  • Usage: Motorhome, Camper
Smart Water Leak Detector — Water Leak Detection Systems, Refreshing Home

Water Leak Detection Systems

(2)

Smart Water Leak Detector Wi-Fi connectivity

$20.30
  • Specifications
  • Brand: Refreshing Home
  • Connectivity: Wi-Fi
  • Compatibility: Tuya Smart Life app
  • Alert Type: Smartphone notifications
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

$20.02
  • Specifications
  • Brand: Neoglint
  • Connectivity: Wi-Fi
  • Compatibility: Google Home
  • Detection Type: Magnetic
Smart Water Leak Detector — Water Leak Detection Systems, Minco Home

Water Leak Detection Systems

(2)

Smart Water Leak Detector white Wi-Fi connectivity

$19.69
  • Specifications
  • Brand: Minco Home
  • Connectivity: Wi-Fi
  • Compatibility: Alexa, Google Home
  • Color: white
  • Monitoring: Remote via app
Door and Window Sensor — Smart Home Security, Zeblaze

Fire Safety Equipment

(2)

Door and Window Sensor 2.4 GHz WiFi connectivity

$19.69
  • Specifications
  • Brand: Zeblaze
  • Connectivity: 2.4 GHz WiFi
  • Monitoring: Remote
  • Installation: Wireless
Wireless Home Security Door Sensor — Smart Home Security, Minco Home

Fire Safety Equipment

(1)

Wireless Home Security Door Sensor Wi-Fi connectivity

$19.21
  • Specifications
  • Brand: Minco Home
  • Connectivity: Wi-Fi
  • Detection Type: Magnetic
  • Compatibility: Home automation systems
  • Installation: DIY
Wi-Fi Door Alarm, Window Sensor — Smart Home Security, TOMTOP JMS

Fire Safety Equipment

(2)

Wi-Fi Door Alarm, Window Sensor White Smart home compatible

$17.60
  • Specifications
  • Brand: TOMTOP JMS
  • Compatibility: Tuya SmartLife app
  • Color: White
  • Installation: Easy
  • Detection Type: Door, Window
Wi-Fi Door Alarm — Smart Home Security, 3d printing machine

Fire Safety Equipment

(2)

Wi-Fi Door Alarm White Smart home security

$16.57
  • Specifications
  • Brand: 3d printing machine
  • Compatibility: Alexa, Google Assistant, IFTTT
  • Control: SmartLife app
  • Color: White
Smart WiFi Door/Window Sensor — Smart Home Security, CosyHome

Fire Safety Equipment

(2)

Smart WiFi Door/Window Sensor Voice control with Google Home

$16.33
  • 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

$15.84
  • 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

$15.39
  • 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

$15.02
  • Specifications
  • Brand: Vestidos
  • Measurement Type: TDS (Total Dissolved Solids)
  • Probe Type: Waterproof
  • Use Case: Home water quality testing, Aquariums, Hydroponic systems
  • Output: Analog
Smart Water Leak Alarm — Smoke Detectors, Refreshing Home

Water Leak Detection Systems

(1)

Refreshing Home Tuya Wi-Fi connectivity

$13.53
  • Specifications
  • Brand: Refreshing Home
  • Model: Tuya
  • Connectivity: Wi-Fi
  • Standby Mode: Ultra-long
  • Detection Type: Water level
  • Usage: Household
Wireless Smart WiFi Temperature and Humidity Sensor — Smart Home Security, OmniShop

Fire Safety Equipment

(2)

OmniShop Tuya Wireless connectivity

$12.07
  • 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

$11.78
  • Specifications
  • Brand: Neoglint
  • Alarm Volume: 120 dB
  • Monitoring: Remote
  • Sensor Type: Overflow sensitive
Smart Water Leak Detector — Water Leak Detection Systems, TOMTOP JMS

Water Leak Detection Systems

(1)

Smart Water Leak Detector 120 dB alarm

$11.26
  • Specifications
  • Brand: TOMTOP JMS
  • Alarm Volume: 120 dB
  • Power Source: Battery operated
  • Installation: Easy
Smart Door/Window Sensor — Smart Home Security, YJMP Top

Fire Safety Equipment

(1)

Smart Door/Window Sensor WiFi/Zigbee connectivity

$10.32
  • Specifications
  • Brand: YJMP Top
  • Connectivity: WiFi, Zigbee
  • Compatibility: Alexa, Google Assistant
  • Installation: Easy
WiFi Smoke Detector Alarm — Smoke & CO Detectors, Meiteai-All

Fire Safety Equipment

(2)

WiFi Smoke Detector Alarm 85 dB sound alarm

$8.57
  • Specifications
  • Brand: Meiteai-All
  • Sound Level: 85 dB
  • Connectivity: WiFi
  • Compatibility: Smart Life app
  • Detection Type: Smoke
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