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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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330 Results
Ajax FireProtect 2 SB (Heat/Smoke/CO) (8EU) black (49558)
Smoke Detector - detects CO (carbon monoxide), temperature, 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, standalone unit requires a central hub, app language options: Czech and English , compatible with Android and iOS
176.68 €
Currently Unavailable
Order Code: AJAX25016
WiZ Contact sensor
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
22.90 €
Currently Unavailable
Order Code: WiZ25001
EVOLVEO SecuPro, wireless siren with solar power
Siren - closed system, area of use: security, power supply: Battery-Powered, Solar and USB
45.90 €
Currently Unavailable
Order Code: EVO24013
5.0
EVOLVEO SecuPro wireless window/door detector
Door and Window Sensor - wireless, compatible with Tuya, connect via WiFi 2,4 GHz and WiFi 5 GHz, battery indication, central unit required, supported OS: Android and iOS, application in Czech, application in Czech and English
12.09 €
Currently Unavailable
Order Code: EVO24007
5.0
EVOLVEO SecuPro wireless PIR motion sensor
Motion Sesnor , connect through WiFi 2,4 GHz and WiFi 5 GHz with detection motion compatible with Tuya, range: security, application in English, Czech and Slovak, power supply: Battery-Powered,
20.18 €
Currently Unavailable
Order Code: EVO24008
SIGNIFY 17476/87/PN Virginia outdoor PIR motion sensor IP44, grey
Motion Sesnor with detection motion compatible with Manufacturer app, range: security,
27.48 €
Currently Unavailable
Order Code: HOMEaaa1419
SIGNIFY 17476/31/PN Virginia outdoor PIR motion sensor IP44, white
Motion Sensor - for lighting, Exterior, mains supply, input voltage: 230 V, reach of 10m, compatible with Manufacturer app, night orientation light, independently functional unit
22.21 €
Currently Unavailable
Order Code: HOMEaaa1418
iQtech SmartLife GS02, Wi-Fi
Gas Leak Detector - mains power supply, acoustic signals, cover material plastic, input voltage 230 V, power cable included, compatible with Tuya and Smartlife, standalone unit, app language: English , compatible with Android and iOS
37.90 €
Currently Unavailable
Order Code: iQtech23_03
4.0
Shelly BLU Bluetooth, brown
Door and Window Sensor - wireless, compatible with Google Home, Samsung SmartThings and Manufacturer app, connect via Bluetooth, battery indication, integrated daylight sensor and adjustable sensitivity, separately functional unit, supported OS: Android, Windows and iOS, application in Czech, application in Czech and English
21.68 €
Currently Unavailable
Order Code: Shell23_035
Ajax WaterStop [3/4] (8EU) white - Remote controlled water shut-off valve (3/4")
Water Leak Detector - detects Humidity and water gas, battery-powered, range: 1,1 m, reaction time: 5s, compatible with Ajax, connection via radio waves, protection against sabotage, central unit required to function,, app with Czech language support for Android, Windows and iOS
282.68 €
Currently Unavailable
Order Code: AJAX23_028
5.0
EVOLVEO Alarmex Pro (ACSALMMST) wireless door/window detector
Door and Window Sensor - wireless, compatible with Manufacturer app, connect via WiFi 2,4 GHz, GSM and Radio frequency, range of 100m, central unit required, supported OS: Android and iOS, application in Czech, application in Czech and English
22.90 €
Currently Unavailable
Order Code: EVO22_09
5.0
iQtech Millennium, WiFi 2x NoN switch Smartlife, black
Light Switch - for lighting, operates: Standalone, compatible with Tuya and Smartlife, power supply: Power plug, connection: WiFi 2,4 GHz, works with Android and iOS, application in Czech
37.90 €
Currently Unavailable
Order Code: iQtech22_22
5.0
iQtech Millennium, Zigbee 1x NoN switch Smartlife, black
Light Switch - for lighting, operates: Via central unit / bridge, compatible with Tuya and Smartlife, power supply: Power plug, works with Android and iOS, application in Czech
16.16 €
Currently Unavailable
Order Code: iQtech22_10
iQtech Millennium, Zigbee 1x NoN switch Smartlife, white
Light Switch - for lighting, operates: Via central unit / bridge, compatible with IFTTT, power supply: Power plug, works with Android and iOS, application in Czech
33.90 €
Currently Unavailable
Order Code: iQtech22_09
22.90 €
Currently Unavailable
Order Code: iQ21TECH147
3.0
iQtech Smartlife WL04 Zigbee Flood sensor, Zigbee 3.0
Water Leak Detector - detects water gas,, compatible with Tuya and Smartlife, battery indication, central unit required to function,, app with Czech language support, app with Czech and English language support for Android and iOS
25.90 €
Currently Unavailable
Order Code: iQ21TECH142
iQtech Smartlife GW001, Zigbee 3.0 gateway, WiFi
Detector Zigbee 3.0 gateway, WiFi
40.90 €
Currently Unavailable
Order Code: iQ21TECH137
5.0
iGET SECURITY M3P21 - wireless magnetic detector for iGET SECURITY M3 and M4
Door and Window Sensor - wireless, connect via Radio frequency, battery indication, range of 100m, central unit required
21.90 €
Currently Unavailable
Order Code: NU146

Smart Home Sensors & Detectors

Smart Home Sensors & Detectors

In the category Smart Home Sensors & Detectors on Alza.de, we currently have a total of 330 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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