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Smart Home Sensors & Detectors


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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336 Results
3.6 19×
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Meross Smart Temperature and Humidity Sensor MS100F
Sensor - temperature measurement in °C or °F, measurement of humidity in %, functionality only with the Meross Hub central unit, mobile apps, notifications, battery operation (CR2477), integrated solar panel for self-powering
  35.90 €
Currently Unavailable
Order Code: Mer24_10
4.0
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Meross Smart Door and Window Sensor Kit
Door and Window Sensor - with mains + battery power, compatible with Apple Home, Samsung SmartThings and Manufacturer app, connect via WiFi 2,4 GHz, range of 100m, central unit required, supported OS: Android and iOS, application in English
  32.90 €
Currently Unavailable
Order Code: Mer24_11
4.8
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AQARA Presence Sensor FP2 Angle Mount (AC-X01E)
Holder - for AQARA Presence Sensor FP2 allowing to tilt the presence sensor
  12.99 €
Currently Unavailable
Order Code: Aqara24014
3.9
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QINGPING Air Monitor 2 - black
Air Quality Meter - detects temperature, humidity, TVOC (volatile organic compounds), CO₂ (carbon dioxide), noise, dust particles, measurement range from 400 to 9999 ppm, temperature measurement from -10 to 60 °C, humidity measurement, battery-powered, visual signals, notifications via push notifications, display, features: hours, date and alarm clock, cover material plastic, input voltage 5 V, power cable included, standalone unit, app language: English, compatible with Android and iOS
  179.90 €
Currently Unavailable
Order Code: QGP009a
3.5
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iGET SECURITY P11v2 - wireless outdoor siren (battery/adapter)
Siren - closed system, area of use: security, OS supported: Android and iOS, power supply: Power plug and Battery-Powered, in Czech and English
  52.90 €
Currently Unavailable
Order Code: iGt21012
4.6 13×
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Shelly Blu Motion, Bluetooth
Motion Sesnor , connect through Bluetooth, open system with detection motion compatible with Samsung SmartThings, range: home control, application in English, Czech, German, Slovak and Hungarian, power supply: Battery-Powered,
  28.90 €
Currently Unavailable
Order Code: Shell23_034
3.0
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MOES Human Presence Sensor + Light Sensor, Zigbee
Motion Sesnor , connect through WiFi 2,4 GHz, open system with detection motion compatible with Tuya, Smartlife and MOES, range: security, power supply: USB,
  35.90 €
Currently Unavailable
Order Code: Moes2507
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WiZ Contact sensor 2pack
Door and Window Sensor - wireless, compatible with Google Home and Manufacturer app, connect via WiFi 2,4 GHz, battery indication, night orientation light and adjustable sensitivity, range of 20m, separately functional unit, supported OS: Android and iOS, application in Czech, application in Czech and English
  50.49 €
Currently Unavailable
Order Code: WiZ25002
4.3
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iGET SECURITY P1v2 - wireless PIR motion detector
Motion Sesnor accessories for iGET SECURITY M3B and M2B alarm system - Wireless PIR motion detector for monitoring movement in the room
  16.90 €
Currently Unavailable
Order Code: iGt21010
4.8
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MOES Gate & Window Sensor, Zigbee
Door and Window Sensor - wireless, compatible with Tuya, Smartlife and Manufacturer app, central unit required, supported OS: Android and iOS, application in Czech, application in Czech and English
  12.90 €
Currently Unavailable
Order Code: Moes2406
5.0
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Shelly DS18B20
Temperature Sensor - mains power supply, 3 m range, stand-alone unit
  7.59 €
Currently Unavailable
Order Code: Shell25030
2.8
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Niceboy ION ORBIS Meteo+ Sensor
Sensor - measures the temperature and humidity in the room, accuracy of 0.3 °C, ranging from -20 to +60 °C, digital display, displays the temperature, humidity, signal level, time and battery status, supports ZigBee 3.0 protocols, Bluetooth and MESH, compatible with Google Assistant, Niceboy ION app
  32.90 €
Currently Unavailable
Order Code: NCB23_005
5.0
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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
  116.90 €
Currently Unavailable
Order Code: Mer2519
4.5 11×
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iGET HOME XP1B - wireless PIR motion sensor for iGET HOME X1 and X5 alarm
Motion Sesnor with detection motion, range: security, power supply: Battery-Powered,
  10.90 €
Currently Unavailable
Order Code: iGET23_013
4.9
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iGET SECURITY EP22 - RFID key for iGET M5-4G alarm
RFID Keyring - RFID key for iGET SECURITY M5 alarm. Attached to the iGET SECURITY EP13 wireless keypad for remote alarm control.
  13.90 €
Currently Unavailable
Order Code: iGt21024
4.0
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iGET SECURITY EP9 - wireless water sensor for iGET M5-4G alarm
Detector water detection sensor for iGET SECURITY M5 alarm. It is used for water detection in bathrooms, technical rooms, tanks, etc., wherever there is a risk of water flooding. As soon as the detection plate detects water, the transmitter informs the alarm. Protection against sabotage, highest transmission security 256bit, very long battery life of 5 years, the alarm constantly monitors the activity of this sensor, also a signal, battery percentage and more.
  20.90 €
Currently Unavailable
Order Code: iGt21017
4.8 30×
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iGET SECURITY M3P1 - wireless PIR motion detector for iGET SECURITY M3 and M4
Motion Sesnor , connect through Radio frequency, open system with detection motion, range: security, power supply: Battery-Powered,
  from  18.10 €
Currently Unavailable
Order Code: NU106b
4.5
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iGET SECURITY P10 - wireless vibration detector for iGET SECURITY M3B and M2B
Vibration Detector - detects vibration gas, battery-powered, range: 80 m, connect via GSM, battery indication, central unit required to function
  8.19 €
Currently Unavailable
Order Code: NU105t
4.8
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iGET SECURITY P2 - wired PIR motion detector for iGET SECURITY M3B and M2B
Motion Sesnor , connect through Radio frequency, open system with detection motion, range: security, power supply: Power plug,
  16.90 €
Currently Unavailable
Order Code: NU105d
4.7 23×
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EVOLVEO wireless PIR motion sensor for Alarmex/Sonix with tamper protection
Motion Sesnor , closed system with detection motion, range: security, power supply: Battery-Powered,
  from  28.91 €
Currently Unavailable
Order Code: RY203g
4.2
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EVOLVEO wireless vibration detector for Alarmex/Sonix
Vibration Detector - detects Opening windows and doors and vibration gas,, range: 40 m, standalone functional unit
  15.90 €
Currently Unavailable
Order Code: RY202f3
5.0
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Shelly-BYPASS
Switching Relay - Shelly Bypass, compatible with Shelly 1L and Shelly Dimmer 2
  5.29 €
Currently Unavailable
Order Code: SHELLa2118
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AVATTO WiFi Smart Humidity & Temperature Sensor
Sensor – wireless temperature and humidity measurement, WiFi connection 2.4 GHz, Tuya and Smart Life support, compatible with smart home, real-time monitoring, multi-sensor support, notification when limits are exceeded, automation of equipment, compact dimensions 67 × 21 × 20 mm, White colour
  12.90 €
Currently Unavailable
Order Code: AVT059a
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HEATIT Floor Sensor o3mm 3m NTC 10 k?
Sensor - floor sensor ø3 mm 3m NTC 10 kΩ for use with Heatit thermostats, for overheating protection the sensor is placed close to the floor to avoid overheating the floor temperature
  13.90 €
Currently Unavailable
Order Code: HEA23_12
 
In the category Smart Home Sensors & Detectors on Alza.de, we currently have a total of 336 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.
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