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Buy Sensors & Alarms for Home Safety

Found 408 items
Multi-functional Portable Gas Detector Monitor 4 in 1 — Gas Analyzers, SMART SENSOR

Gas Safety Equipment

(1)

SMART SENSOR AS8900 Detects multiple gases

$3,307.99
  • Specifications
  • Brand: SMART SENSOR
  • Model: AS8900
  • Detectable Gases: Oxygen (O2), Hydrogen Sulfide (H2S), Carbon Monoxide (CO), Combustible gases
  • Design: Portable
  • Usage: Professional, Safety monitoring
15 in 1 Rechargeable Digital Air Quality Detector — Home Climate Control, Homedepot

CO Detectors & Alarms

(1)

Homedepot Tuya WiFi connectivity

$336.48
  • Specifications
  • Brand: Homedepot
  • Model: Tuya
  • Connectivity: WiFi
  • Power Source: Rechargeable battery
  • Detection Parameters: CO2, CO, TVOC, HCHO, PM2.5, PM1.0, PM10, Temperature, Humidity
  • Compatibility: Smart home ecosystems
WiFi Water Valve with Flow Meter — Controllers, Super Featured

Water Leak Detection Systems

(no rating)

WiFi Water Valve with Flow Meter Remote control via WiFi

$319.68
  • Specifications
  • Brand: Super Featured
  • Compatibility: Smart Life app
  • Plug Type: AU Plug
  • Control: Remote via WiFi
  • Display: Real-time water usage
Smart Human Presence Sensor — Smart Home Security, Serene Homes

Fire Safety Equipment

(no rating)

Smart Human Presence Sensor Energy saving

$132.62
  • Specifications
  • Brand: Serene Homes
  • Connectivity: Wi-Fi, ZigBee
  • Detection Technology: Millimeter wave radar
  • Power Source: Battery or wired
Radar Sensor Alarm 2-Zone — Smart Home Security, SAMURAI STYLE

Fire Safety Equipment

(1)

SAMURAI STYLE MMF-2 2-zone detection

$119.08
  • Specifications
  • Brand: SAMURAI STYLE
  • Model: MMF-2
  • Detection Zones: 2
  • Technology: Radar sensor
  • Theft Protection: Yes
3-in-1 Sound Light Sensor with Built-in Siren — Smart Home Security, Neo

Fire Safety Equipment

(no rating)

Neo ZigBee 3-in-1 ZigBee 3.0 connectivity

$116.55
  • Specifications
  • Brand: Neo
  • Model: ZigBee 3-in-1
  • Connectivity: ZigBee 3.0
  • Siren Volume: 90 dB
  • Compatibility: SmartLife app
  • Hub Requirement: Required
Wi-Fi CO2 Sensor — Air Quality Monitors, RATOC

CO Detectors & Alarms

(no rating)

RATOC RS-WFCO2 White Wi-Fi connectivity

$108.79
  • Specifications
  • Brand: RATOC
  • Model: RS-WFCO2
  • Connectivity: Wi-Fi
  • Color: White
  • GTIN: 4949090721074
Smart WIFI Door Magnetic Alarm Sensor — Smart Home Security, Serene Homes

Fire Safety Equipment

(no rating)

Smart WIFI Door Magnetic Alarm Sensor WIFI connectivity

$104.34
  • Specifications
  • Brand: Serene Homes
  • Connectivity: WIFI
  • Detection Type: Magnetic
  • Operation: Independent
  • Installation: Easy
2-Channel 4G SMS Alarm Controller with Web App — Smart Home Security, Vestidos

Fire Safety Equipment

(no rating)

Vestidos SM2 WLTE EA 4G LTE connectivity

$102.98
  • Specifications
  • Brand: Vestidos
  • Model: SM2 WLTE EA
  • Connectivity: 4G LTE
  • Channels: 2
  • Monitoring: Temperature, Humidity
  • Control: Web application
  • Notifications: SMS
Wi-Fi Siren Alarm Sensor — Smart Home Security, Build My Home

Fire Safety Equipment

(1)

Wi-Fi Siren Alarm Sensor White Smart Life app compatible

$77.31
  • Specifications
  • Brand: Build My Home
  • Compatibility: Tuya Smart Life app, Alexa
  • Connectivity: Wi-Fi
  • Control: Voice control, App control
  • Color: White
Wireless Vibration Sensor Alarm — Smart Home Security, Auto Home Solutions

Fire Safety Equipment

(1)

Wireless Vibration Sensor Alarm IP55 waterproof rating

$71.30
  • Specifications
  • Brand: Auto Home Solutions
  • Waterproof Rating: IP55
  • Alarm Sound Level: 93 dB
  • Connectivity: Wireless
  • Sensor Type: Vibration
Human Presence Sensor — Smart Home Security, Super Dream Home

Fire Safety Equipment

(1)

Human Presence Sensor Tuya Zigbee Wifi compatible

$69.31
  • Specifications
  • Brand: Super Dream Home
  • Compatibility: Tuya Zigbee Wifi
  • Frequency: 2.4 GHz
  • Detection Type: PIR
Home Water Level Controller — Controllers, TOMTOP JMS

Water Leak Detection Systems

(1)

Home Water Level Controller Wi-Fi connectivity

$68.44
  • 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

$60.04
  • Specifications
  • Brand: Freedom BABY
  • Connectivity: WiFi
  • Power Source: Battery
  • Alert Type: Real-time smartphone alerts
Smart CO2 Detector — Air Quality Monitors, TOMTOP JMS

Fire Safety Equipment

(1)

Smart CO2 Detector Wi-Fi connectivity

$57.74
  • Specifications
  • Brand: TOMTOP JMS
  • Connectivity: Wi-Fi
  • Display: LCD
  • Measurements: CO2 levels, temperature, humidity
Smart Fire Smoke Alarm — Smoke Detectors, Vestidos

Fire Safety Equipment

(no rating)

Smart Fire Smoke Alarm Wireless connectivity

$54.87
  • Specifications
  • Brand: Vestidos
  • Connectivity: Wireless
  • Detection Type: Smoke, Fire
  • Power Source: Battery
  • Compatibility: Smart home systems
Smart Siren — Smart Home Security, OutsideWorld

Fire Safety Equipment

(1)

Smart Siren 90 dB loud alarm

$54.67
  • Specifications
  • Brand: OutsideWorld
  • Alarm Loudness: 90 dB
  • Sensor Type: Sound and light
  • Control: APP remote control
  • Installation: Wireless
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

$53.78
  • Specifications
  • Brand: yieryi
  • Detection Capability: Gas, CO, Temperature, Humidity
  • Display: LCD
  • Plug Compatibility: EU, US
  • Suitable For: Home, RV, Apartment, Villa
Smart Temperature and Humidity Sensor — Smart Home Security, Wrigleys

Fire Safety Equipment

(2)

Wrigleys U5M1 ZigBee/WiFi connectivity

$53.10
  • Specifications
  • Brand: Wrigleys
  • Model: U5M1
  • Connectivity: ZigBee, WiFi
  • Power Source: Battery
  • Compatibility: Alexa
Automatic Sensor Switch Water Dispenser — Hydration Solutions, MIJIA HOME

Water Leak Detection Systems

(no rating)

MIJIA HOME Xiaolang White Automatic sensor switch

$52.51
  • 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
Solar Powered Outdoor Siren Alarm — Safety Alarms & Signals, GoolRC

Fire Safety Equipment

(no rating)

Solar Powered Outdoor Siren Alarm Solar powered

$51.54
  • Specifications
  • Brand: GoolRC
  • Power Source: Solar
  • Waterproof: Yes
  • Alarm Type: Sound
  • Installation: Wireless
Wi-Fi Gas Leak Alarm — Gas Safety Equipment, GoolRC

Gas Safety Equipment

(no rating)

GoolRC Sniffer 85 dB alarm sound

$49.80
  • Specifications
  • Brand: GoolRC
  • Model: Sniffer
  • Alarm Sound: 85 dB
  • Connectivity: Wi-Fi
  • Compatibility: TUYA Smart Life app
Wireless Smoke Detection Sensor — Smoke Detectors, Freedom BABY

Fire Safety Equipment

(1)

Freedom BABY Fire Home Remote Remote monitoring

$49.80
  • Specifications
  • Brand: Freedom BABY
  • Model: Fire Home Remote
  • Connectivity: Wireless
  • Monitoring: Remote
  • Installation: Easy
Smart Door and Window Sensor — Smart Home Security, HIMO Group

Fire Safety Equipment

(no rating)

Smart Door and Window Sensor ZigBee connectivity

$49.80
  • Specifications
  • Brand: HIMO Group
  • Connectivity: ZigBee
  • Compatibility: Alexa, Google
  • Detection Type: Open and close
Water Leak Sensor — Water Leak Detection Systems, GoolRC

Water Leak Detection Systems

(no rating)

Water Leak Sensor Wireless connectivity

$49.54
  • Specifications
  • Brand: GoolRC
  • Connectivity: Wireless
  • Compatibility: Tuya Smart, ZigBee Gateway
  • Installation: Easy
  • Alerts: Real-time
Smart Door and Window Sensor — Smart Home Security, Vinde Home

Fire Safety Equipment

(no rating)

Smart Door and Window Sensor ZigBee connectivity

$48.17
  • Specifications
  • Brand: Vinde Home
  • Connectivity: ZigBee
  • Compatibility: Alexa, Google
  • Functionality: Open and close detection
  • Installation: Easy
Smart Motion Sensor with Light Detection — Smart Home Security, Home Of Auto Parts

Fire Safety Equipment

(1)

Home Of Auto Parts Tuya Zigbee 3.0 Zigbee 3.0 connectivity

$47.53
  • 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 Siren Alarm — Smart Home Security, OutsideWorld

Fire Safety Equipment

(no rating)

Smart Siren Alarm Wireless WiFi APP control

$44.79
  • Specifications
  • Brand: OutsideWorld
  • Sound Level: 105 dB
  • Control Method: WiFi APP
  • Alarm Type: Sound and Light
  • Installation: Wireless
Wireless Sound and Light Siren — Smart Home Security, OutsideWorld

Fire Safety Equipment

(no rating)

Wireless Sound and Light Siren 90 dB alarm sound

$43.77
  • Specifications
  • Brand: OutsideWorld
  • Alarm Sound Level: 90 dB
  • Connectivity: 2.4 GHz WIFI
  • Operation: Wireless
Smart Gas Leak Detector — Gas Safety Equipment, GoolRC

Gas Safety Equipment

(no rating)

Smart Gas Leak Detector High sensitivity

$41.96
  • Specifications
  • Brand: GoolRC
  • Sensitivity: High
  • Connectivity: WiFi
  • Detection Type: Combustible gas
  • Installation: Easy
Smart Wi-Fi Natural Gas Detector — Gas Safety Equipment, Tulan market

Gas Safety Equipment

(no rating)

Smart Wi-Fi Natural Gas Detector Wi-Fi connectivity

$40.88
  • 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

(1)

Water Leak Detector with Buzzer WiFi and ZigBee connectivity

$40.47
  • Specifications
  • Brand: KITCHEN-MALL
  • Connectivity: WiFi, ZigBee
  • Alarm Type: Buzzer
  • Installation: Easy
  • Compatibility: Tuya smart home systems
WIFI Fuel Gas Leak Detector Smart Sensor Alarm — Gas Safety Equipment, GoolRC

Gas Safety Equipment

(1)

WIFI Fuel Gas Leak Detector Smart Sensor Alarm WIFI connectivity

$39.73
  • Specifications
  • Brand: GoolRC
  • Connectivity: WIFI
  • Compatibility: Tuya
  • Display: LCD
Smart Water Sensor — Water Leak Detection Systems, Home Of Auto Parts

Water Leak Detection Systems

(no rating)

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

$39.39
  • Specifications
  • Brand: Home Of Auto Parts
  • Model: ZigBee Smart Water Sensor
  • Connectivity: ZigBee
  • Compatibility: Smart Life app
  • Color: Light gray
Smart Human Presence Detector — Smart Home Security, White Dream

Fire Safety Equipment

(2)

White Dream Tuya Zigbee ZigBee and Wi-Fi connectivity

$37.29
  • Specifications
  • Brand: White Dream
  • Model: Tuya Zigbee
  • Connectivity: ZigBee, Wi-Fi
  • Technology: Millimeter wave
  • Compatibility: Tuya Zigbee
Smart Water Leak Sensor — Water Leak Detection Systems, DQ-Industry-N

Water Leak Detection Systems

(no rating)

DQ-Industry-N DPZW001 White WiFi connectivity

$37.12
  • Specifications
  • Brand: DQ-Industry-N
  • Model: DPZW001
  • Connectivity: WiFi
  • Design: Wireless
  • Color: White
  • Detection Type: Water leak
SOS Button Smart ZigBee Alarm Sensor — Smart Home Security, Build My Home

Fire Safety Equipment

(no rating)

Build My Home Tuya Smart ZigBee Emergency call button

$35.28
  • Specifications
  • Brand: Build My Home
  • Model: Tuya Smart ZigBee
  • Connectivity: ZigBee
  • Compatibility: Tuya Smart Life App
  • Use Case: Child safety, Elderly care, Emergency alerts
Water Leak Detector Alarm — Water Leak Detection Systems, PJWWADQ

Water Leak Detection Systems

(no rating)

Water Leak Detector Alarm WIFI connectivity

$34.40
  • Specifications
  • Brand: PJWWADQ
  • Connectivity: WIFI
  • Design: Waterproof
  • Alarm Type: Buzzer
Smart Door Window Sensor — Smart Home Security, Vestidos

Fire Safety Equipment

(no rating)

Smart Door Window Sensor Voice control

$33.45
  • Specifications
  • Brand: Vestidos
  • Compatibility: ZigBee
  • Installation: Wireless
  • Control: Voice, Remote
Wi-Fi Smoke Detector — Smoke Detectors, Automobile and motorcycle supplies

Fire Safety Equipment

(1)

Wi-Fi Smoke Detector White Smart Life Tuya app control

$32.40
Water Level Sensor — Water Leak Detection Systems, Build My Home

Water Leak Detection Systems

(no rating)

Water Level Sensor 135 dB alarm

$32.40
  • Specifications
  • Brand: Build My Home
  • Alarm Volume: 135 dB
  • Sensor Cable Length: 1m
  • Alert Modes: Dual-mode (visual and auditory)
  • Installation Type: Wall-mounted, Touch-sensitive floor
Door Open/Close Sensor — Smart Home Security, Build My Home

Fire Safety Equipment

(1)

Door Open/Close Sensor White ZigBee connectivity

$27.84
  • Specifications
  • Brand: Build My Home
  • Connectivity: ZigBee
  • Compatibility: Tuya app
  • Detection Type: Magnetic switch
  • Color: White
Smart Water Leak Detector — Water Leak Detection Systems, KITCHEN-MALL

Water Leak Detection Systems

(no rating)

Smart Water Leak Detector WiFi connectivity

$26.77
  • Specifications
  • Brand: KITCHEN-MALL
  • Connectivity: WiFi
  • Alarm Sound: 80 dB
  • App Integration: Tuya Smart Life
  • Protection Features: Leak level detection, Overflow protection
Smoke and Carbon Monoxide Detector — Smoke & CO Detectors, Neoglint

Dual Sensor Alarms

(2)

Smoke and Carbon Monoxide Detector Dual high-stability sensors

$24.78
  • Specifications
  • Brand: Neoglint
  • Sensors: Smoke, Carbon Monoxide
  • Alerts: Audible, Visual
  • Installation: Wall-mounted, Ceiling-mounted
  • Power Source: Battery-operated
Doorbell with Window Sensor — Smart Home Security, Refreshing Home

Fire Safety Equipment

(no rating)

Doorbell with Window Sensor Magnetic switch

$24.78
  • Specifications
  • Brand: Refreshing Home
  • Detection Type: Magnetic switch
  • Compatibility: Most home security systems
  • Installation: Easy
Doorbell with Window Sensor — Smart Home Security, Minco Home

Fire Safety Equipment

(2)

Doorbell with Window Sensor Magnetic switch

$24.78
  • Specifications
  • Brand: Minco Home
  • Availability: in stock
  • Currency: RUB
Smart Door Sensor — Smart Home Security, Build My Home

Fire Safety Equipment

(no rating)

Build My Home Tuya WiFi Smart Door Sensor WiFi connectivity

$24.38
  • Specifications
  • Brand: Build My Home
  • Model: Tuya WiFi Smart Door Sensor
  • Connectivity: WiFi
  • Compatibility: Alexa, Google Home, Smart Life APP
  • Functionality: Detects opening and closing of doors/windows
Recessed Magnetic Switch — Smart Home Security, Neoglint

Fire Safety Equipment

(no rating)

Recessed Magnetic Switch DC100V 10W

$22.84
  • 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

(no rating)

Smart Water Leak Alarm Wi-Fi connectivity

$21.46
  • Specifications
  • Brand: YOCOLO
  • Connectivity: Wi-Fi
  • Alert Type: Remote notification
  • Installation: Tool-free
Smart WIFI Door Magnetic Detector Alarm — Smart Home Security, AKA002

Fire Safety Equipment

(2)

Smart WIFI Door Magnetic Detector Alarm White Tuya Smart WIFI compatible

$20.86
  • Specifications
  • Brand: AKA002
  • Compatibility: Tuya Smart WIFI
  • Sensor Type: Magnetic
  • Installation: Easy
  • Color: White
Water Leak Alarm Detector — Water Leak Detection Systems, Build My Home

Water Leak Detection Systems

(1)

Water Leak Alarm Detector 110dB loud alarm

$20.76
  • Specifications
  • Brand: Build My Home
  • Alarm Sound Level: 110dB
  • Detection Type: Water leak, Flood, Overflow
  • Installation: Independent, No hub required
Smart Door Window Sensor — Smart Home Security, OFFICE-MALL

Fire Safety Equipment

(2)

OFFICE-MALL Tuya Wifi WiFi connectivity

$19.83
  • Specifications
  • Brand: OFFICE-MALL
  • Model: Tuya Wifi
  • Connectivity: WiFi
  • Compatibility: Yandex, Alisa, Google Assistant
  • Detection Type: Magnetic
  • Installation: Adhesive backing
Smart Wireless Flood Sensor — Water Leak Detection Systems, KONNWEI

Water Leak Detection Systems

(1)

Smart Wireless Flood Sensor WiFi connectivity

$17.94
  • Specifications
  • Brand: KONNWEI
  • Connectivity: WiFi
  • Compatibility: Tuya
  • Power Source: Battery
Vibration Sensor — Smart Home Security, OutsideWorld

Fire Safety Equipment

(no rating)

OutsideWorld TY APP WiFi connectivity

$17.86
  • 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

(no rating)

Smart WiFi Door/Window Sensor Voice control with Google Home

$17.47
  • Specifications
  • Brand: CosyHome
  • Connectivity: WiFi
  • Compatibility: Google Home, Tuya
  • Installation: Easy, No hub required
  • Alert Type: Real-time notifications
Human Presence Detector — Smart Home Security, Oudun

Fire Safety Equipment

(1)

Human Presence Detector Zigbee/WIFI connectivity

$13.88
  • 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

(no rating)

Smart Water Sensor Water flood detection

$13.70
  • Specifications
  • Brand: Meiteai-All
  • Connectivity: ZigBee WiFi
  • Compatibility: Smart Life APP, ZigBee gateway
  • Functionality: Water flood detection, Remote alarm notification
Wireless Smart WiFi Temperature and Humidity Sensor — Smart Home Security, OmniShop

Fire Safety Equipment

(no rating)

OmniShop Tuya Wireless connectivity

$12.26
  • Specifications
  • Brand: OmniShop
  • Model: Tuya
  • Connectivity: WiFi
  • Monitoring: Temperature, Humidity
  • Compatibility: Smart home systems
WiFi Smoke Detector Alarm — Smoke & CO Detectors, Meiteai-All

Fire Safety Equipment

(no rating)

WiFi Smoke Detector Alarm 85 dB sound alarm

$8.73
  • Specifications
  • Brand: Meiteai-All
  • Sound Level: 85 dB
  • Connectivity: WiFi
  • Compatibility: Smart Life app
  • Detection Type: Smoke
Touch Sensor Security Alarm — Smart Home Security, TOMTOP JMS

Fire Safety Equipment

(1)

Touch Sensor Security Alarm 120 dB loud alarm

$8.50
  • Specifications
  • Brand: TOMTOP JMS
  • Alarm Sound Level: 120 dB
  • Power Source: Battery-operated
  • Installation: Adhesive backing
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