Cheap detectors
On this page you will find detectors at the lowest prices, more so all detectors ranked from the lowest to the highest price. It will be easier to see products that are now marked at their lowest price. The item with the lowest price in this category is SONOFF WLDC200 Water Leak Detection Cable marked at 7.63 € incl. VAT. Is this what you’re looking for?
All from 223
SAFE Motion Cam (PhOD), white
168.90 €
In stock 1 pcs
Sensor - wireless dual PIR motion detector with photo camera, images in case of an alarm, or on request (PhOD), Motion detection up to 12 metres, which reliably ignores the...
Airthings View Pollution - air quality monitor
Amazing Deal
169.90 €
169.90 €
In stock > 5 pcs
Air Quality Meter is designed for indoor environments where it monitors humidity and temperature. You use batteries or a USB cable to power it. Easily connect the air detector to...
Airthings Corentium Home (224 B/m3) - digital radon detector
169.90 €
Unsealed 1 pcs
Air Quality Meter - detects radon, battery-powered, display, features: memory, cover material plastic, operating temperature from 4 to 40 °C, battery included, standalone unit
Airthings Corentium Home (224 B/m3) - digital radon detector
Great price
171.26 €
In stock > 5 pcs
Air Quality Meter - detects radon, battery-powered, display, features: memory, cover material plastic, operating temperature from 4 to 40 °C, battery included, standalone unit
Airthings Corentium Home 2 - Smart radon detector
181.40 €
In stock > 5 pcs
Air Quality Meter - detects temperature, humidity, radon, battery-powered, visual signals, notifications via push notifications, display, operating temperature from 4 to 40 °C,...
SAFE Motion Guard Outdoor, white
202.90 €
In stock 5 pcs
Motion Sesnor , connect through Radio frequency, closed system with detection motion compatible with Manufacturer app, range: security, application in English, Czech and German,...
Airthings View Radon - Air Quality Monitor
203.90 €
In stock > 5 pcs
Air Quality Meter is designed for indoor environments where it monitors humidity, temperature and the amount of radon in the air. You use batteries or a USB cable to power it....
Ajax MotionCam HDR, black
213.26 €
In stock 1 pcs
Motion Sesnor , closed system with detection motion compatible with Ajax, range: security, application in English, Czech and Slovak, power supply: Battery-Powered,
Ajax MotionCam HDR, white
216.33 €
Currently Unavailable
Motion Sesnor , closed system with detection motion compatible with Ajax, range: security, application in English, Czech and Slovak, power supply: Battery-Powered,
Ajax MotionCam HDR (PhOD) Jeweller, white
238 €
Currently Unavailable
Motion Sesnor , closed system with detection motion compatible with Ajax, range: security, application in English, Czech and Slovak, power supply: Battery-Powered,
Ajax MotionCam HDR (PhOD) Jeweller, black
238 €
Currently Unavailable
Motion Sesnor , closed system with detection motion compatible with Ajax, range: security, application in English, Czech and Slovak, power supply: Battery-Powered,
![Ajax WaterStop [1] (8EU) black - Remote controlled water shut-off valve (1") - Water Leak Detector](https://image.alza.cz/products/AJAX23_025/AJAX23_025.jpg?width=190&height=190)
Ajax WaterStop [1] (8EU) black - Remote controlled water shut-off valve (1")
Discounted -24 %
248.90 €
330.41 €
In stock 2 pcs
Water Leak Detector - detects Humidity and Water gas, battery-powered, range: 1,1 m, reaction time: 5s, compatible with Ajax, connection via radio waves, battery indication,...
![Ajax WaterStop [1/2] (8EU) white - Remote controlled water shut-off valve (1/2") - Water Leak Detector](https://image.alza.cz/products/AJAX23_024/AJAX23_024.jpg?width=190&height=190)
Ajax WaterStop [1/2] (8EU) white - Remote controlled water shut-off valve (1/2")
255.47 €
Currently Unavailable
Water Leak Detector - detects Humidity and Water gas, battery-powered, range: 1,1 m, reaction time: 5s, compatible with Ajax, connection via radio waves, protection against...
Airthings Wave plus, black - air quality, radon, humidity, temperature, VOC, CO2 and pressure sensor
259.90 €
In stock > 5 pcs
Air Quality Meter - detects temperature, humidity, air pressure, TVOC (volatile organic compounds), radon, CO₂ (carbon dioxide), measurement range from 400 to 5000 ppm, deviation...
X-Sense FS121 (12+1) Set of 12 XS01-M Wireless Smoke Detectors with SB550 Central Unit
283.90 €
In stock > 5 pcs
Smoke Detector - temperature measurement from 4 to 38 °C, humidity measurement, battery-powered , detection reach 500 m, reaction time 1 s, acoustic, visual signals, notifications...
SAFE Motion Cam Outdoor (PhOD), white
283.90 €
In stock 4 pcs
Motion Sesnor , connect through Radio frequency, closed system with detection motion compatible with Manufacturer app, range: security, application in English, Czech and German,...
![Ajax WaterStop [3/4] (8EU) white - Remote controlled water shut-off valve (3/4") - Water Leak Detector](https://image.alza.cz/products/AJAX23_028/AJAX23_028.jpg?width=190&height=190)
Ajax WaterStop [3/4] (8EU) white - Remote controlled water shut-off valve (3/4")
288.24 €
Currently Unavailable
Water Leak Detector - detects Humidity and Water gas, battery-powered, range: 1,1 m, reaction time: 5s, compatible with Ajax, connection via radio waves, protection against...
Airthings View Plus - complete air quality monitor
-39 % off new
289.90 €
New 475.90 €
Unsealed 3 pcs
Air Quality Meter - detects temperature, humidity, air pressure, TVOC (volatile organic compounds), radon, CO₂ (carbon dioxide), dust particles, mains + battery-powered, visual...
Airthings Wave plus - air quality, radon, humidity, temperature, VOC, CO2 and pressure sensor
289.90 €
In stock > 5 pcs
Air Quality Meter - detects temperature, humidity, air pressure, TVOC (volatile organic compounds), radon, CO₂ (carbon dioxide), measurement range from 400 to 5000 ppm, deviation...
Ajax LifeQuality (8EU) white - Intelligent air quality sensor
353.20 €
Currently Unavailable
Air Quality Meter - detects temperature, humidity, CO₂ (carbon dioxide), measurement range from 400 to 5000 ppm, measurement range from 0 to 100 %, temperature measurement from 0...
ONDILO ICO Spa V2 Essential +, smart water monitor and calibration kit - Cl/Br disinfection
-25 % off new
355.90 €
New 478.90 €
Unsealed 1 pcs
Detector - smart water monitor, for monitoring the water quality in the hot tub, compatible with chlorine and bromine sanitizers, intuitive, low maintenance
Ajax LifeQuality (8EU) black - Intelligent air quality sensor
360.25 €
Currently Unavailable
Air Quality Meter - detects temperature, humidity, CO₂ (carbon dioxide), measurement range from 400 to 5000 ppm, measurement range from 0 to 100 %, temperature measurement from 0...
No longer sold
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