Smart Home Sensors & Detectors

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SmartHome detectors and sensors are designed both for connection to central units and for stand-alone use without them. These are, for example, motion sensors, smoke, gas or CO detectors or anti-flood detectors. All the sensors work with smartphones, so you always have a full overview of what's going on in your home.

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Installing a SmartHome system is easy

The installation of various detectors and sensors is user-friendly and does not require any construction modifications or complicated wiring, as these expansion modules communicate wirelessly.

Pay attention to compatibility

When choosing expansion modules, it is important to focus on the communication protocol.

  • Some accessories require a connection to the central unit. The purchased module must be built on the same communication protocol as this unit, such as ZigBee or Z-Wave. Otherwise, the two devices will not communicate.
  • Other devices work independently, for example via Bluetooth or Apple HomeKit. They can be controlled via the manufacturer's app and don't require a central unit to work.

SmartHome detectors and sensors have many uses

There are a number of detectors and sensors on the market, so we sort them into groups for better clarity.

  • Motion detectors
  • Motion detectors for windows or doors
  • Smoke, gas or carbon monoxide detectors
  • Vibration detectors
  • Flood detectors
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Best Sellers

1.
Senzor
68.90 €

2.
Door and Window Sensor -, compatible with Samsung SmartThings, connect via Radio Frequency, door or window mounting and mobile phone notification, central unit required, supported OS: Android and iOS, application in Czech, application in Czech and English
14.90 €

3.
34.90 €

More Bestsellers
289 Results
Classic Range Inexpensive yet highly rated
3.8 11×
AQARA Vibration Sensor
Vibration Detector - battery-powered, door or window mounting, mobile phone notification and battery indication, central unit required to function,, app with Czech language support, app with Czech and English language support for Android and iOS
Great price
16.90 €
Buy
In stock > 10 pcs
Order Code: AqRAA_0003
Deluxe Range Good price/performance ratio
4.1 20×
AQARA Presence Sensor FP2
Motion Sesnor , connect through WiFi 2,4 GHz and Bluetooth, closed system with detection motion and Light compatible with Google Home, range: lighting and security, application in English, Czech and Slovak, power supply: Power plug and USB,
78.90 €
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Order Code: Aqara23_002
Deluxe Range Good price/performance ratio
68.90 €
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In stock > 5 pcs
Order Code: PHLS23017
Premium Range Uncompromising quality
4.7 21×
Netatmo Smart Smoke Alarm
Smoke Detector -, sound level: 85dB, connect via WiFi 2,4 GHz, mobile phone notification and battery indication, standalone functional unit,, app with Czech language support, app with Czech and English language support for Android and iOS
Amazing Deal
103.90 €
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In stock > 5 pcs
Order Code: NET007f
Meross Smart Door and Window Sensor Kit
Door and Window Sensor - with mains + battery power, compatible with Samsung SmartThings and Manufacturer app, connect via WiFi 2,4 GHz, door or window mounting and mobile phone notification, range of 100m, central unit required, supported OS: Android and iOS, application in English
Buy with code ALZADAYS15DE 25.42 €
New arrival
29.90 €
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In stock > 5 pcs
Order Code: Mer24_11
Buy with code ALZADAYS15DE 21.17 €
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24.90 €
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In stock > 5 pcs
Order Code: Mer24_14
Buy with code ALZADAYS15DE 29.67 €
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Order Code: Mer24_13
Meross Smart Door and Window Sensor
Door and Window Sensor - wireless, compatible with Samsung SmartThings and Manufacturer app, connect via WiFi 2,4 GHz, door or window mounting and mobile phone notification, range of 100m, central unit required, supported OS: Android and iOS, application in English
Buy with code ALZADAYS15DE 19.47 €
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22.90 €
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12.90 €
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In stock > 10 pcs
Order Code: AVT038a
Buy with code ALZADAYS15DE 31.37 €
New arrival
36.90 €
Buy
In stock > 5 pcs
Order Code: Mer24_09
Buy with code ALZADAYS15DE 21.17 €
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24.90 €
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Order Code: Mer24_10
New arrival
29.90 €
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In stock > 5 pcs
Order Code: AVT039a
Amazing Deal
34.90 €
Buy
In stock > 5 pcs
Order Code: AqRAA21023
4.8 134×
Philips Hue Motion Sensor
Motion Sensor - for lighting, Internal, battery powered, reach of 5m, application in Czech, applications in Czech and English for Android, Windows and iOS
from  43.76 €
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In stock > 5 pcs
Order Code: ESO521g15
4.8 18×
Shelly 2PM Plus, shutter module with power metering, WiFi
WiFi Switch - for lighting, electrical installation and windows, doors, gates, WiFi 2,4 GHz and Bluetooth connection, power supply: Power plug, compatible with Samsung SmartThings, application for Android and iOS in Czech and English
Buy with code ALZADAYS10DE 31.41 €
34.90 €
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In stock > 5 pcs
Order Code: SHELL22_01
4.9
Eufy Entry Sensor
Door and Window Sensor -, door or window mounting, central unit required, supported OS: Android and iOS, application in English
26.90 €
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In stock > 5 pcs
Order Code: EUF01c
4.2 30×
Xiaomi Mi Wireless Switch
Smart Wireless Switch , control via app on Windows and iOS, application in English
Amazing Deal
13.90 €
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Order Code: XI300l03
Great price
299 €
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Order Code: Air22TNG1
32.90 €
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Order Code: SNFa073
AQARA Motion Sensor P1 (MS-S02) - Motion Sesnor Variants
4.6 18×
AQARA Motion Sensor P1 (MS-S02)
Motion Sesnor , closed system with detection motion and Light, range: security, application in English, Czech and Slovak, power supply: Battery-Powered,
24.90 €
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In stock > 10 pcs
Order Code: Aqa22_05
5.0
AQARA Motion and Light Sensor P2
Pohybový senzor
New arrival
34.90 €
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Order Code: Aqara24002
4.4 17×
AQARA Door and Window Sensor P2
Door and Window Sensor - wireless, compatible with Samsung SmartThings and Google Home, door or window mounting, mobile phone notification and battery indication, central unit required, supported OS: Android and iOS, application in Czech, application in Czech and English
27.90 €
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In stock > 5 pcs
Order Code: AqRAA_0018
4.6 13×
TP-Link Tapo T110, Smart window/door sensor
Door and Window Sensor -, compatible with Samsung SmartThings, connect via Radio Frequency, door or window mounting and mobile phone notification, central unit required, supported OS: Android and iOS, application in Czech, application in Czech and English
14.90 €
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In stock > 10 pcs
Order Code: TP22_39
3.4 14×
Sonoff SNZB-04 ZigBee Wireless Door/Window Sensor, no battery
Door and Window Sensor - wireless, compatible with IFTTT, door or window mounting, range of 80m, central unit required
Buy with code ALZADAYS15DE 10.12 €
Amazing Deal
11.90 €
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Smart Home Sensors & Detectors

In the category Smart Home Sensors & Detectors on Alza.de, we currently have a total of 289 products, which you can easily buy online and get quickly delivered. See all of your purchases and make orders on our easy-to-use app.
Check out products sorted by price starting with the lowest price in the category cheap smart Home Sensors & Detectors Find products sorted from the most expensive to the cheapest in the category most expensive smart Home Sensors & Detectors Check out products sorted by price starting with the highest price in the category best sellers, best smart Home Sensors & Detectors You’ll find products sorted by reviews starting from the highest ranked in smart Home Sensors & Detectors reviews
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