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 4.58 € incl. VAT. Is this what you’re looking for?
552 Results
5.0 2×
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Ajax MotionProtect Plus Black
Motion Sesnor , connect through Radio frequency, open system with detection motion compatible with Ajax, range: security, application in English, power supply: Battery-Powered,
  117.54 €
Currently Unavailable
Order Code: AJAX8220
5.0 2×
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Ajax MotionProtect Plus White
Motion Sesnor , connect through Radio frequency, open system with detection motion compatible with Ajax, range: security, application in English, power supply: Battery-Powered,
  117.82 €
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In stock 1 pcs
Order Code: AJAX8227
5.0 2×
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Eve Water Guard - Water Leak Detector - compatible with Thread
Water Leak Detector - detects Water gas, mains power, sound level: 100dB, compatible with Apple Home, Apple Siri shortcuts and Samsung SmartThings, connect via Bluetooth, standalone functional unit, app with English language support for iOS
  119.90 €
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In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
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Order Code: Eve22_001
3.6 14×
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Netatmo Smart AC Controller
Smart Wireless Remote to the air conditioning, smart, WiFi 2.4 GHz, iOS apps, Android, compatible with Apple HomeKit, Google Home, Amazon Alexa
-4 % off new 119.90 € New 125.93 €
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Unsealed - in stock 1 pcs
Order Code: Neta23_01
5.0 4×
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Ajax CombiProtect White
Motion Sesnor , connect through Radio frequency, open system with detection motion compatible with Ajax and Manufacturer app, range: security, application in English and Czech, power supply: Battery-Powered,
  120.66 €
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Ordered on request
Order Code: AJAX7170
5.0 4×
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Ajax CombiProtect Black
Motion Sesnor , connect through Radio frequency, open system with detection motion and Glass breakage compatible with Ajax and Manufacturer app, range: security, application in English and Czech, power supply: Battery-Powered,
  120.66 €
Currently Unavailable
Order Code: AJAX7167
4.4 3×
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Airthings Wave Enhance
Air Quality Meter - detects temperature, humidity, air pressure, TVOC (volatile organic compounds), CO₂ (carbon dioxide), noise, battery-powered, visual signals, notifications via push notifications, features: memory, operating temperature from 0 to 45 °C, operating humidity from 5 to 95 %, battery included, standalone unit requires a central hub, compatible with Android and iOS
BLACK FRIDAY -22 % 121.47 € 155.90 €
Currently Unavailable
Order Code: Air24001
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Ajax FireProtect 2 SB (CO) (8EU) ASP black (63219) with built-in battery
Gas Leak Detector - detects CO (carbon monoxide), smoke, battery-powered, acoustic, visual signals, notifications via push notifications, signal volume 85 dB, battery indication and protection against sabotage, features reset and alarm, cover material plastic, operating temperature from 0 to 50 °C, operating humidity up to 80 %, ingress protection IP20, input voltage 6 V, mounting kit included, requires a central hub, app language options: Czech and English , compatible with Android and iOS
  124.69 €
Currently Unavailable
Order Code: AJAX25033
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Ajax FireProtect 2 SB (CO) (8EU) ASP white (63218) with built-in battery
Gas Leak Detector - detects CO (carbon monoxide), smoke, battery-powered, acoustic, visual signals, notifications via push notifications, signal volume 85 dB, battery indication and protection against sabotage, features reset and alarm, cover material plastic, operating temperature from 0 to 50 °C, operating humidity up to 80 %, ingress protection IP20, input voltage 6 V, mounting kit included, requires a central hub, app language options: Czech and English , compatible with Android and iOS
  124.69 €
Currently Unavailable
Order Code: AJAX25032
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SAFE Motion Cam (PhOD), white
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 movement of animals in the guarded area up to a weight of 18 kg and a height of 50 cm, Battery life for up to 4 years, Colour white
BLACK FRIDAY -10 % 125 € 138.90 €
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In stock
Order Code: SAFEH26001
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Ajax FireProtect 2 SB (Heat/CO) (8EU) ASP white (63216) with built-in battery
Gas Leak Detector - detects CO (carbon monoxide), smoke, battery-powered, acoustic, visual signals, notifications via push notifications, signal volume 85 dB, battery indication and protection against sabotage, features reset and alarm, cover material plastic, operating temperature from 0 to 50 °C, operating humidity up to 80 %, ingress protection IP20, input voltage 6 V, mounting kit included, requires a central hub, app language options: Czech and English , compatible with Android and iOS
  125.74 €
Currently Unavailable
Order Code: AJAX25030
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Ajax FireProtect 2 SB (Heat/CO) (8EU) ASP black (63217) with built-in battery
Gas Leak Detector - detects CO (carbon monoxide), smoke, battery-powered, acoustic, visual signals, notifications via push notifications, signal volume 85 dB, battery indication and protection against sabotage, features reset and alarm, cover material plastic, operating temperature from 0 to 50 °C, operating humidity up to 80 %, ingress protection IP20, input voltage 6 V, mounting kit included, requires a central hub, app language options: Czech and English , compatible with Android and iOS
  125.74 €
Currently Unavailable
Order Code: AJAX25031
3.6 14×
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Netatmo Smart AC Controller
Smart Wireless Remote to the air conditioning, smart, WiFi 2.4 GHz, iOS apps, Android, compatible with Apple HomeKit, Google Home, Amazon Alexa
  125.93 €
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On the way > 5 pcs
Expected 12/12/2026
Order Code: Neta23_01
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Philips Hue Enrave S white + Philips Hue Motion Sensor
Ceiling Light - LED, dimmable, luminous flux 1220 lm, adjustable light temperature, connects via Bluetooth, control via app in Czech, compatible with Apple Home, height 6,6 cm, width 26,1 cm, length 26,1 cm, IP20
BLACK FRIDAY -27 % 127.40 € 174.90 €
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In stock
Order by midnight, get it at the AlzaBox in the morning.
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Order Code: PHLS25062set
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Homematic IP Meteo Sensor Basic - HmIP-SWO-B
Sensor The wireless Meteo Basic (HmIP-SWO-B) for outdoor use is part of the Homematic IP smart home system. The Weather Sensor Basic (HmIP-SWO-B) is a basic version of the weather sensor, without the possibility of predicting the amount and duration of rainfall or wind direction.
  130.28 €
Currently Unavailable
Order Code: Home22_33
5.0 1×
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X-Sense FS61 (6+1) Set of 6 XS01-M Wireless Smoke Detectors with SB550 Base Station
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 via push notifications, signal volume 85 dB, battery indication and protection against sabotage, features: test button and alarm, cover material plastic, operating temperature from -4 to 38 °C, operating humidity from 0 to 85 %, ingress protection IP20, input voltage 3V, mounting kit included, requires a central hub, app language options: Czech and English , compatible with Android and iOS
BLACK FRIDAY -14 % 137.39 € 159.90 €
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In stock
Order by midnight, get it at the AlzaBox in the morning.
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Order Code: XSEN26008
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Nice CO-Control
Gas Leak Detector - CO (carbon monoxide) detection, measuring range from 0 to 450ppm, battery-powered, 40m range, acoustic and optical signalling, push notifications, 85dB volume, test button feature, self-diagnostics and alarm, plastic casing, operating temperature from 0 to 50°C, bracket and batteries included, communicates with the Yubii Home Center app, standalone unit requires a control unit to function
  139.90 €
Currently Unavailable
Order Code: Nice26020
5.0 9×
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Ajax FireProtect Plus White
Smoke Detector - detects CO (carbon monoxide), temperature, temperature measurement from 0 to 65 °C, battery-powered , notifications via push notifications, protection against sabotage, features: alarm, cover material plastic, operating temperature from 0 to 65 °C, operating humidity up to 80 %, holder included, standalone unit requires a central hub
  142.26 €
Currently Unavailable
Order Code: AJAX8219
4.0 3×
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Airthings Wave plus, black - air quality, radon, humidity, temperature, VOC, CO2 and pressure sensor
Air Quality Meter - detects temperature, humidity, air pressure, TVOC (volatile organic compounds), radon, CO₂ (carbon dioxide), measurement range from 400 to 5000 ppm, deviation 30 ppm, temperature measurement with accuracy 1 °C, humidity measurement with accuracy 3 %, battery-powered, visual signals, notifications via push notifications, battery indication, cover material plastic, operating temperature from 4 to 40 °C, operating humidity to 85 %, battery and mounting kit included, standalone unit requires a central hub, app language: English, compatible with Android and iOS
-7 % off new 142.90 € New 154.99 €
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Unsealed - in stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
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Order Code: Air23TNG1
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Homematic IP with brightness sensor, outdoor, white
Motion Sesnor , connect through Radio frequency, closed system with detection motion and Lights compatible with Manufacturer app, range: lighting and security, application in English, Czech and German, power supply: Power plug,
  145.25 €
Currently Unavailable
Order Code: Home24001
5.0 1×
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Homematic IP Door lock drive - HmIP-DLD
Smart Lock -, app in English
  145.25 €
Currently Unavailable
Order Code: Home22_18
5.0 4×
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Airthings Wave Radon – air quality, radon, humidity, and temperature sensor
Air Quality Meter - detects temperature, humidity, radon, temperature measurement with accuracy 0.1 °C, humidity measurement with accuracy 1 %, battery-powered, visual signals, notifications via push notifications, cover material plastic, operating temperature from 4 to 40 °C, battery and mounting kit included, standalone unit requires a central hub, app language: English, compatible with Android and iOS
BLACK FRIDAY -20 % 146.62 € 183.90 €
Currently Unavailable
Order Code: Air21TNG3
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Homematic IP with brightness sensor outdoor, anthracite
Motion Sesnor , connect through Radio frequency, closed system with detection motion and Lights compatible with Manufacturer app, range: lighting and security, application in English, Czech and German, power supply: Battery-Powered,
  149.41 €
Currently Unavailable
Order Code: Home24002
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Ubiquiti UniFi Motion Sensor, 3-pack, EU
Motion Sesnor , connect through Radio frequency with detection motion compatible with Manufacturer app, range: security, application in English, power supply: Battery-Powered,
New arrival 149.90 €
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In stock > 5 pcs at the supplier's
Order Code: Ubiq26364
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