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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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329 Results
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
90.01 €
Currently Unavailable
Order Code: AJAX25022
Ajax FireProtect 2 RB (Heat/Smoke/CO) (8EU) ASP white (52252)
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
159.37 €
Currently Unavailable
Order Code: AJAX25021
Ajax FireProtect 2 SB (Heat/Smoke) (8EU) black (49560)
Smoke Detector - detects 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, battery and mounting kit included, standalone unit requires a central hub, app language options: Czech and English , compatible with Android and iOS
123.95 €
Currently Unavailable
Order Code: AJAX25018
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
177.07 €
Currently Unavailable
Order Code: AJAX25016
Xtend Home EZS-SMS10
Smoke Detector - battery-powered , detection reach 25 m, battery indication and adjustable sensitivity, features: test button, temporary shutdown and alarm, cover material plastic, battery and mounting kit included, compatible with Tuya, requires a central hub, app language options: Czech and English
12.90 €
Currently Unavailable
Order Code: Xtend25011
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
SIGNIFY 17476/87/PN Virginia outdoor PIR motion sensor IP44, grey
Motion Sesnor with detection motion compatible with Manufacturer app, range: security,
32.36 €
Currently Unavailable
Order Code: HOMEaaa1419
SIGNIFY 17476/31/PN Virginia outdoor PIR motion sensor IP44, white
Motion Sesnor with detection motion compatible with Manufacturer app, range: lighting, power supply: Power plug,
22.25 €
Currently Unavailable
Order Code: HOMEaaa1418
Ajax WaterStop [1/2] (8EU) white - Remote controlled water shut-off valve (1/2")
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, standalone functional unit,, app with Czech language support for Android, Windows and iOS
251.10 €
Currently Unavailable
Order Code: AJAX23_024
Ajax WaterStop [1] (8EU) black - Remote controlled water shut-off valve (1")
Water Leak Detector - detects Humidity and water gas, battery-powered, range: 1,1 m, reaction time: 5s, compatible with Ajax, connection via radio waves, battery indication, standalone functional unit,, app with Czech language support for Android, Windows and iOS
331.64 €
Currently Unavailable
Order Code: AJAX23_025
2.7
Niceboy ION ORBIS Vibration Sensor
Vibration Detector - detects Glass breakage and vibration gas,, compatible with Niceboy ION, battery indication, central unit required to function,, app with Czech language support, app with Czech and English language support for Android and iOS
22.90 €
Currently Unavailable
Order Code: NCB23_007
5.0
XtendLan PS-IR02
TV Remote Control -, range 0.03 m, infra-red transmission technology
14.90 €
Currently Unavailable
Order Code: Xten_22_24
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
Discounted -57 % 16.18 € 37.90 €
Currently Unavailable
Order Code: iQtech22_22
EVOLVEO Wireless 360° PIR Ceiling Motion Sensor for Sonix
Motion Sesnor , connect through Radio frequency, closed system with detection motion, range: security, application in English, Czech, Slovak and Hungarian, power supply: Battery-Powered,
30.90 €
Currently Unavailable
Order Code: EVolv08
4.9
FIBARO Radiator Thermostat Sensor
Heating Set - for FIBARO Radiator Thermostat Head, Bluetooth
24.90 €
Currently Unavailable
Order Code: FIBR01b1
3.5
iGET SECURITY P21 - wireless magnetic detector for iGET SECURITY M3B and M2B
Door and Window Sensor - wireless, range of 80m, central unit required, application in Czech
Discounted -22 % 16.90 € 21.90 €
Currently Unavailable
Order Code: NU112
3.9
iGET SECURITY P8 - magnetic wire door/window detector for iGET SECURITY M3B and M2B
Motion Sesnor , connect through Radio frequency, open system with detection Opening windows and doors, range: security, power supply: Power plug,
12.90 €
Currently Unavailable
Order Code: NU105p
In the category Smart Home Sensors & Detectors on Alza.de, we currently have a total of 329 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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