Safety Sensors & Detectors

295 products found

Carbon Dioxide Monitor,Portable Indoor CO2 Detector Meter 3 in 1 Temperature Humidity Air Quality Monitor Rechargeable,with Full Colored Display

BriSunshine

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CO2 Detectors

Carbon Dioxide Monitor,Portable Indoor CO2 Detector Meter 3 in 1 Temperature Humidity Air Quality Monitor Rechargeable,with Full Colored Display

$407.99

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SimpliSafe

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Water Detectors

SimpliSafe Water Sensor - Smart Home Leak Detector & Alarm - Compatible with SimpliSafe Home Security System

$74.99

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Sonew

✓

Water Detectors

Sonew Water Alarm Sensor, Smart WiFi Water Leakage Alarm Household Water Overflow and Floods Detector - Real-time Alarm Message Push via App

$51.99

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TL-136 Liquid Level Sensor IP68 Waterproof 12-32VDC Water Level Detector 4-20mA Output Water Level Switch(0-2m)

Hililand

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Water Detectors

TL-136 Liquid Level Sensor IP68 Waterproof 12-32VDC Water Level Detector 4-20mA Output Water Level Switch(0-2m)

$93.99

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Ultrasonic Level Sensor, Depth Sensor, Level Sensor, Meter Monitors Kitchen for Tank

Mxtech

✓

Water Detectors

Ultrasonic Level Sensor, Depth Sensor, Level Sensor, Meter Monitors Kitchen for Tank

$186.99

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HUABAN

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Gas Detectors

HUABAN 2PCS MQ-8 MQ8 Hydrogen Gas Sensor H2 Detection Sensor Module for Arduino

$37.99

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HUABAN

⏳

Gas Detectors

HUABAN 1PCS MQ-136 MQ136 Hydrogen Sulfide H2S Detection Gas Sensor Module with Alarm Signal Light

$111.99

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HUABAN

⏳

Gas Detectors

HUABAN 1PCS MQ-139 MQ139 Freon CFCs Chloro Fluoro Carbon Gas Sensor Module R134A Detection High Sensitive with Alarm Signal Light

$150.99

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HUABAN

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Gas Detectors

HUABAN 2PCS MQ-3 MQ3 Special Alcohol Ethanol Gas Sensor Module

$37.99

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HUABAN

⏳

Gas Detectors

HUABAN 2PCS MQ-6 MQ6 LPG Gas Sensor Module Liquefied Propane Iso-Butane Butane Combustible Gas Detection Sensor

$37.99

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HUABAN

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Gas Detectors

HUABAN 1PCS MQ-138 MQ138 Formaldehyde HCHO Volatile Organic Compounds (VOC) Gas Sensor Module with Alarm Signal Light

$147.99

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ECOWITT

✓

Water Detectors

ECOWITT Sensor WH55, Wireless Multi-channel Water Leak Detection Sensor with Loud Audio Alarm, Just A Accessory Cannot Be Used Alone

$83.99

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Air Quality Detector, 2.8'' TFT Multifunctional Digital Car PM2.5 Air Quality Detector Monitor in PM1.0, PM10.0, PM2.5, Temperature, Humidity, Particulate Matter for Home, Office,Car and Outdoors

Elprico

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Gas Detectors

Air Quality Detector, 2.8'' TFT Multifunctional Digital Car PM2.5 Air Quality Detector Monitor in PM1.0, PM10.0, PM2.5, Temperature, Humidity, Particulate Matter for Home, Office,Car and Outdoors

$174.99

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Moen

✓

Water Detectors

Moen 920-006 Flo Smart Water Detector Leak Sensing Cable (6-ft), or Unfinished

$105.99

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Automatic Water Level Control Valve 1/2 13/4 1 inch - Water Level Switch Liquid Level Sensor Pool Level Tank Float Valve (Top Inlet - Inside Tank, 1/2 inch)

OemClima

✓

Water Detectors

Automatic Water Level Control Valve 1/2 13/4 1 inch - Water Level Switch Liquid Level Sensor Pool Level Tank Float Valve (Top Inlet - Inside Tank, 1/2 inch)

$72.99

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High / Low Water Level Sensor Detector Alarm 120 dB Red Strobe Siren, Adjustable Alarm Volume, Sump Bobber Water leak Sensor,16.4ft Probe Cord, Suitable for Water Tank/Aquarium, Swimming Pool/Basement

Shonmau

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Water Detectors

High / Low Water Level Sensor Detector Alarm 120 dB Red Strobe Siren, Adjustable Alarm Volume, Sump Bobber Water leak Sensor,16.4ft Probe Cord, Suitable for Water Tank/Aquarium, Swimming Pool/Basement

$101.99

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Lieder

✓

Gas Detectors

Lieder CD with micro images for school series C

$342.99

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YoLink

✓

Water Detectors

Smart Leak Sensors, YoLink 1/4 Mile World's Longest Range Wireless Smart Water Leak Sensor Compatible with Alexa and IFTTT Leak Detector with App Alerts and Remote Monitor, 4 Pack, YoLink Hub Included

$250.99

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AOPUTTRIVER

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Gas Detectors

AOPUTTRIVER AP-5800G Ammonia Gas Detector Tester Monitor, Particle Detector Professional Meter for Industry, Home, Factory, Air Purifier Quality, Decoration, Environment

$484.99

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WiFi Water Leakage Detection Alarm, Leakage Detector, Overflow Flooding Alarm Water Leak Alert for Google Home

Sonew

✓

Water Detectors

WiFi Water Leakage Detection Alarm, Leakage Detector, Overflow Flooding Alarm Water Leak Alert for Google Home

$51.99

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Airthings

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Gas Detectors

Airthings 2950 Wave Radon - Smart Radon Detector with Humidity and Temperature Monitor, Accurate and Easy to Use, Cable-Free

$323.99

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Hilitand

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Water Detectors

Hilitand HT-M2 Microwave Leakage Detector, High Precision LED Microwave Detector, Radiation Meter EMF Detector Tester

$62.99

Water Detectors

Water Leak Detector, YoLink 1/4 Mile World's Longest Range Wireless Smart Water Leak Sensor, Hub Required

$71.99

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Hailege

✓

Water Detectors

Hailege Liquid Level Controller Sensor Water Level Detect Automatically Stop when full Automatically Add when Low

$53.99

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