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?
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Homematic IP Window and door handle position sensor - HmIP-SRH
Door and Window Sensor - wireless, compatible with Home Connect and Homematic IP, connect via Radio frequency, range of 160m, central unit required, supported OS: Android and iOS, application in English
  65.13 €
Currently Unavailable
Order Code: Home22_24
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Homematic IP Window and door sensor - optical plus, concealed mounting - HmIP-SWDO-I
Door and Window Sensor - wireless, compatible with Home Connect and Homematic IP, connect via WiFi 2,4 GHz, range of 230m, central unit required, supported OS: Android and iOS, application in Czech
  65.13 €
Currently Unavailable
Order Code: Home22_22
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Homematic IP Occupancy Sensor - indoor - HmIP-SPI
Motion Sesnor with detection motion compatible with Google Home and Manufacturer app, range: lighting, power supply: Battery-Powered,
  65.36 €
Currently Unavailable
Order Code: Home22_29
5.0 1×
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Homematic IP Siren indoor - HmIP-ASIR-2
Siren - open system, area of use: security, OS supported: Android and iOS, compatible with Google Home and Homematic IP, power supply: Battery-Powered
  65.36 €
Currently Unavailable
Order Code: Home22_14
4.8 29×
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Philips Hue Outdoor Motion Sensor + zľava 15 % s bridgom Philips Hue
Motion Sesnor , closed system with detection motion compatible with Apple Home and Philips Hue, power supply: Battery-Powered,
  65.90 €
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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: PHL19021
4.7 8×
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SONOFF AirGuard CO2 Matter Over Wi-Fi Air Quality Monitor SAWF-08P
Air Quality Meter - detects temperature, humidity, CO₂ (carbon dioxide), measurement range from 400 to 5000 ppm, gas detection sensitivity 50 ppm, temperature measurement from 0 to 50 °C with accuracy 0.5 °C, humidity measurement from 5 to 99 % with accuracy 3 %, acoustic, visual signals, notifications via push notifications, display, features: alarm, cover material plastic, operating temperature from -10 to 50 °C,, input voltage 5 V, power cable included, compatible with Apple Home, Google Home, Samsung SmartThings, eWeLink and Home Assistant, standalone unit, app language options: Czech and English, compatible with Android and iOS
  66.90 €
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On the way > 5 pcs
Expected 18/11/2026
Order Code: SNF2611
4.5 27×
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Nuki door sensor white
Door and Window Sensor - wireless, compatible with Apple Home, connect via Bluetooth, central unit required, supported OS: iOS, application in English
  68.90 €
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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: Nuki22_03
4.7 42×
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SwitchBot Thermo/Hygrometer bundle with HUB
Sensor - measures temperature and humidity, mobile apps, degree of protection IP65, strap for hanging, updates the measured values every 4 seconds, package also includes HUB for remote synchronization
  69.90 €
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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: SwBot21_27
4.5 27×
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Nuki door sensor white
Door and Window Sensor - wireless, compatible with Apple Home, connect via Bluetooth, central unit required, supported OS: iOS, application in English
  70.30 €
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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: Nuki22_03
2.8 4×
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Smoot Air Air Quality Monitor
Air Quality Meter - detects temperature, humidity, dust particles, mains power supply, notifications via push notifications, battery indication and display, cover material plastic, standalone unit, app language options: Czech and English, compatible with Android and iOS
  70.33 €
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In stock 1 pcs at the supplier's
Order Code: SMoot04
4.5 22×
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Airbi CO2AIR digital carbon dioxide meter
Detector - CO₂ (carbon dioxide) detection, measurement range from 400 to 2400 ppm, mains + battery power, reaction time 6 s, display, independently functional unit
-13 % off new 70.90 € New 81.90 €
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As good as new - in stock 1 pcs
Order Code: Airbi24001
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Ajax GlassProtect (8EU) ASP white (38109)
Vibration Detector - detects vibration gas, battery-powered, compatible with Ajax and Manufacturer app, connection via radio waves, battery indication, adjustable sensitivity and protection against sabotage, central unit required to function,, app with Czech language support, app with Czech and English language support for Android and iOS
  71.16 €
Currently Unavailable
Order Code: AJAX25010
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Ajax GlassProtect (8EU) ASP black
Vibration Detector - detects vibration gas, battery-powered, compatible with Ajax and Manufacturer app, connection via radio waves, battery indication, adjustable sensitivity and protection against sabotage, central unit required to function,, app with Czech language support, app with Czech and English language support for Android and iOS
  71.16 €
Currently Unavailable
Order Code: AJAX25009
5.0 1×
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AQARA Spatial Multi-Sensor FP400 Kit (PS-S05D), Zigbee, Thread
Motion Sesnor , connect through Bluetooth and Radio frequency, open system with detection motion, Lights and Human presence compatible with Apple Home, Google Home, Samsung SmartThings, Aqara Home and Home Assistant, range: lighting, security and home control, application in English, Czech and Slovak, power supply: Power plug and USB,
BLACK FRIDAY -14 % 71.32 € 83.90 €
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In stock
Order by midnight, get it at the AlzaBox in the morning.
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Order Code: Aqara26012
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Shelly Presence Sensor Gen4, Black
Motion Sesnor , connect through WiFi 2,4 GHz, open system with detection motion compatible with Manufacturer app, application in English, Czech and Slovak, power supply: Power plug,
BLACK FRIDAY -10 % 71.90 € 79.90 €
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In stock
Order by midnight, get it at the AlzaBox in the morning.
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Order Code: Shell26039
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Shelly Presence Sensor Gen4, White
Motion Sesnor , connect through WiFi 2,4 GHz, open system with detection motion compatible with Manufacturer app, application in English, Czech and Slovak, power supply: Power plug,
BLACK FRIDAY -10 % 71.90 € 79.90 €
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In stock
Order Code: Shell26038
4.2 55×
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AQARA Presence Sensor FP2
Motion Sesnor , connect through WiFi 2,4 GHz and Bluetooth, closed system with detection motion and Lights compatible with Apple Home, Google Home, IFTTT and Aqara Home, range: lighting and security, application in English, Czech and Slovak, power supply: USB,
BLACK FRIDAY -10 % 74.69 € 82.99 €
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In stock
Order by midnight, get it at the AlzaBox in the morning.
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Order Code: Aqara23_002
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Nice window/door sensor, brown
Door and Window Sensor - wireless, compatible with Manufacturer app, connect via WiFi 2,4 GHz, battery indication and protection against sabotage, central unit required, application in Czech, application in Czech and English
  75.90 €
Currently Unavailable
Order Code: Nice26019
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Nice window/door sensor, white
Door and Window Sensor - wireless, compatible with Manufacturer app, connect via WiFi 2,4 GHz, battery indication and protection against sabotage, central unit required, application in Czech, application in Czech and English
  75.90 €
Currently Unavailable
Order Code: Nice26018
4.3 8×
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Philips Hue Contact sensor White 2pcs + zľava 15 % s bridgom Philips Hue
Sensor - security sensor on the windows, door or safe, sends an alert or triggers a preset light alarm, includes a magnetic counterpart, IP20, can be glued or screwed (material not included), bridge required for full functionality, colour white, 2 pcs
  75.90 €
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On the way 3 pcs
Expected 19/11/2026
Order Code: PHLS23017
4.8 5×
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Philips Hue Contact sensor Black 2pcs + zľava 15 % s bridgom Philips Hue
Sensor - security sensor on the windows, door or safe, sends an alert or triggers a preset light alarm, includes a magnetic counterpart, IP20, can be glued or screwed (material not included), bridge required for full functionality, black, 2 pcs
  75.90 €
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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: PHLS23016
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PIR motion detector - for 55 mm frame, indoor, anthracite - HmIP-SMI55-A
Motion Sesnor , connect through Radio frequency, closed system with detection motion, range: lighting, security and home control, application in English, Czech and German, power supply: Battery-Powered,
  76.14 €
Currently Unavailable
Order Code: Home23_40
4.7 16×
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FIBARO Motion Sensor
Motion Sesnor , connect through WiFi 2,4 GHz and Bluetooth with detection motion, Lights and temperature, range: security, application in English, Czech, German and Slovak, power supply: Battery-Powered,
  76.90 €
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Ordered on request
Order Code: FIBR01b
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Siemens Connected Home water leak detector SCH040ZB, ZigBee
Water Leak Detector - detects Water gas, battery-powered, reaction time: 2s, sound level: 60dB, compatible with Connected Home, battery indication, central unit required to function,, app with Czech language support, app with Czech and English language support for Android and iOS
  78.85 €
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In stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: SimS25001
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