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 12×
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Ajax MotionProtect White
Motion Sesnor , connect through Radio frequency with detection motion compatible with Ajax, range: security, application in English and Czech, power supply: Battery-Powered,
  89.69 €
Currently Unavailable
Order Code: AJAX5328
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Ajax FireProtect 2 RB (Heat) (8EU) ASP black (63209) with replaceable battery
Smoke Detector - detects temperature, temperature measurement from 0 to 50 °C, 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, battery and mounting kit included, standalone unit requires a central hub, app language options: Czech and English , compatible with Android and iOS
  94.27 €
Currently Unavailable
Order Code: AJAX25023
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Ajax FireProtect 2 RB (Heat) (8EU) ASP white (63208) with replaceable battery
Smoke Detector - detects temperature, temperature measurement from 0 to 50 °C, 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, battery and mounting kit included, standalone unit requires a central hub, app language options: Czech and English , compatible with Android and iOS
  94.27 €
Currently Unavailable
Order Code: AJAX25022
5.0 9×
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Ajax FireProtect Black
Smoke Detector - detects temperature, temperature measurement from 0 to 65 °C, battery-powered , detection reach 1300 m, reaction time 12 s, notifications via push notifications, signal volume 85 dB, 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, compatible with Android and iOS
  95.88 €
Currently Unavailable
Order Code: AJAX8188
5.0 9×
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Ajax FireProtect White
Smoke Detector - detects temperature, temperature measurement from 0 to 65 °C, battery-powered , reaction time 12 s, notifications via push notifications, signal volume 85 dB, protection against sabotage, features: alarm, cover material plastic, operating temperature from 0 to 65 °C, operating humidity up to 80 %, holder and battery included, standalone unit requires a central hub, compatible with Android and iOS
  95.90 €
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In stock 2 pcs
Order Code: AJAX8209
5.0 1×
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X-Sense FS31 (3+1) Set of 3 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 -15 % 95.91 € 113.90 €
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In stock
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: XSEN26007
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Siemens Connected Home motion detector SCH010ZB, ZigBee
Motion Sesnor , connect through Radio frequency, closed system with detection animal and Human presence, range: security and home control, power supply: Battery-Powered,
  98.60 €
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In stock 3 pcs at the supplier's
Order Code: SimS25002
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Homematic IP Digital Interface
Sensor - digital interface, closed system, operation via central unit, OS Android + iOS, mobile notifications
  99.47 €
Currently Unavailable
Order Code: Home24006
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Homematic IP Smart Meter Interface
Sensor - interface for smart meters, closed system, operation via central unit, OS Android + iOS, mobile notifications
  99.47 €
Currently Unavailable
Order Code: Home24005
3.0 1×
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Homematic IP Interface for gas meter
Sensor - interface for gas meter, closed system, operation via central unit, OS Android + iOS, mobile notifications
  99.47 €
Currently Unavailable
Order Code: Home24004
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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
-20 % off new 99.90 € New 125 €
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Unsealed - in stock 1 pcs
Order Code: SAFEH26001
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Nice Smoke-Control FGSD-002
Smoke Detector - detects temperature, temperature measurement from -20 to 100 °C with accuracy 0,5 °C, battery-powered , detection reach 40 m, acoustic, visual signals, notifications via push notifications, signal volume 85 dB, adjustable sensitivity and protection against sabotage, features: test button, self-diagnostics and alarm, cover material plastic, operating temperature from 0 to 55 °C, operating humidity from 0 to 93 %, holder and battery included, compatible with Yubii Home Center, standalone unit requires a central hub
  99.90 €
Currently Unavailable
Order Code: Nice26016
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Nice Flood-Control FGFS-101
Water Leak Detector - detects temperature, Water and Angle gas, battery-powered, range: 40 m, compatible with Yubii Home Center, connection via radio waves, protection against sabotage, standalone functional unit, central unit required to function
  99.90 €
Currently Unavailable
Order Code: Nice26017
5.0 1×
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Meross Smart Smoke Alarm - set 3x MA151 + 1x MSH450 Matter hub
Smoke Detector - battery-powered , reaction time 0,002 s, acoustic signals, notifications via push notifications, signal volume 110 dB, features: alarm, cover material plastic, operating temperature from 0 to 55 °C, operating humidity from 0 to 95 %, mounting kit included, requires a central hub, app language options: Czech and English , compatible with Android and iOS
BLACK FRIDAY -16 % 100.50 € 119.90 €
Currently Unavailable
Order Code: Mer2519
4.8 9×
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Netatmo Smart Door and Window Sensors
Door and Window Sensor - wireless, compatible with Apple Home and Manufacturer app, connect via Radio frequency, central unit required, supported OS: Android and iOS, application in Czech, application in Czech and English
  105.90 €
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In stock 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: NET050b
4.4 46×
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Netatmo Smart Smoke Alarm
Smoke Detector - acoustic signals, notifications via push notifications, signal volume 85 dB, battery indication, features: alarm, cover material plastic, holder and mounting kit included, standalone unit, app language options: Czech and English , compatible with Android and iOS
Great price 108.55 € Save 10.45 €
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On the way > 5 pcs
Expected 09/12/2026
Order Code: NET007f
4.2 21×
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Netatmo Smart Carbon Monoxide Alarm
Gas Leak Detector - battery-powered, notifications via push notifications, signal volume 85 dB, battery indication, cover material plastic, compatible with Apple Home, standalone unit, app language options: Czech and English , compatible with Android, Windows and iOS
  108.57 €
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On the way > 5 pcs
Expected 09/12/2026
Order Code: NetA_21_01
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Teltonika Eye Sensor EN12830 - BTSMP183CB02
Temperature Sensor
  109.46 €
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In stock 1 pcs at the supplier's
Order Code: TELcid0001
5.0 2×
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Ajax MotionProtect Curtain White
Motion Sesnor , connect through Radio frequency with detection motion compatible with Ajax, range: security, application in English, power supply: Battery-Powered,
  111.34 €
Currently Unavailable
Order Code: AJAX20005
5.0 1×
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Ajax MotionProtect Curtain Black
Motion Sesnor , connect through Radio frequency, closed system with detection motion compatible with Ajax, range: security, application in English, Czech, German and Slovak, power supply: Battery-Powered,
  111.34 €
Currently Unavailable
Order Code: AJAX20004
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Ajax FireProtect 2 RB (CO) (8EU) ASP black (63213) with replaceable 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, battery and mounting kit included, requires a central hub, app language options: Czech and English , compatible with Android and iOS
  112.20 €
Currently Unavailable
Order Code: AJAX25027
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Ajax FireProtect 2 RB (CO) (8EU) ASP white (63212) with replaceable 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, battery and mounting kit included, requires a central hub, app language options: Czech and English , compatible with Android and iOS
  112.20 €
Currently Unavailable
Order Code: AJAX25026
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Ajax FireProtect 2 RB (Heat/CO) (8EU) ASP white (63210) with replaceable 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, battery and mounting kit included, requires a central hub, app language options: Czech and English , compatible with Android and iOS
  113.10 €
Currently Unavailable
Order Code: AJAX25024
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Ajax FireProtect 2 RB (Heat/CO) (8EU) ASP black (63211) with replaceable battery
Gas Leak Detector - detects CO (carbon monoxide), smoke, battery-powered, acoustic, visual signals, notifications via push notifications, signal volume 85 dB, battery indication, 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, battery and mounting kit included, requires a central hub, app language options: Czech and English , compatible with Android and iOS
  113.45 €
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In stock 1 pcs
Order Code: AJAX25025
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