Cheap smart Home Sensors & Detectors
On this page you will find smart Home Sensors & Detectors at the lowest prices, more so all smart Home Sensors & 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 Shelly DS18B20 Temperature Sensor for 3.5mm jack (1m) marked at 4.39 € incl. VAT. Is this what you’re looking for?
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Ajax MotionCam HDR (PhOD) Jeweller, white
236.64 €
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
236.64 €
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 [1/2] (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")
254.01 €
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...
Airthings Wave Radon – air quality, radon, humidity, and temperature sensor
263.90 €
In stock > 5 pcs
Air Quality Meter - detects temperature, humidity, radon, temperature measurement with accuracy 0.1 °C, humidity measurement with accuracy 1 %, battery-powered, visual signals,...
X-Sense FS121 (12+1) Set of 12 XS01-M Wireless Smoke Detectors with SB550 Central Unit
283.90 €
On the way > 5 pcs
Expected 09/10/2026
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")
286.59 €
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 - 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...
Airthings View Plus - complete air quality monitor
-38 % off new
291.90 €
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...
ONDILO ICO Spa V2 Essential +, smart water monitor and calibration kit - Cl/Br disinfection
-13 % off new
414.90 €
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 MotionCam Outdoor (PhOD) Jeweller (8EU) ASP white (39293)
427.21 €
Currently Unavailable
Motion Sesnor , connect through Radio frequency, closed system with detection motion and Human presence compatible with Ajax and Manufacturer app, range: security, application in...
Airthings View Plus - complete air quality monitor
475.90 €
In stock > 5 pcs
Air Quality Meter - detects temperature, humidity, air pressure, TVOC (volatile organic compounds), radon, CO₂ (carbon dioxide), dust particles, mains + battery-powered, visual...
ONDILO ICO Pool V2 Essential +, smart water monitor and calibration kit - Cl/Br disinfection
478.90 €
In stock 2 pcs
Detector - smart water monitor, water temperature sensors, water quality analysis, intuitive, low maintenance
ONDILO ICO Spa V2 Essential +, smart water monitor and calibration kit - Cl/Br disinfection
478.90 €
In stock 1 pcs
Detector - smart water monitor, for monitoring the water quality in the hot tub, compatible with chlorine and bromine sanitizers, intuitive, low maintenance
ONDILO ICO Pool V2 Essential +, smart water monitor and calibration kit - salt disinfection
518.90 €
In stock 2 pcs
Detector - smart water monitor, sensors monitoring the water temperature, water quality analysis, intuitive, low maintenance, Compatible with systems using salt for water...
Ultrahuman Home
626.90 €
In stock 2 pcs
Air Quality Meter - detects smoke, CO (carbon monoxide), light, temperature, humidity, TVOC (volatile organic compounds), CO₂ (carbon dioxide), noise, dust particles, mains power...
Homematic IP Water Stop and Supply Unit
1,125.17 €
Currently Unavailable
Water Leak Detector - detects Water gas, mains and battery power, compatible with Homematic IP, connection via radio waves, central unit required to function,, app with Czech...
SONOFF AirGuard TH Pressure Zigbee Temperature Humidity Air Pressure Sensor SNZB-02M
Price has not been set
Currently Unavailable
Sensor - measures 5 environmental values, temperature ±0.2°C, humidity ±2% RH, pressure ±0.1hPa, pressure range 700–1,100hPa, updates every 5s, dew point, VPD, up to 6 months of...
No longer sold
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