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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617 Results
3.9 10×
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Niceboy ION ORBIS Motion Sensor
Motion Sesnor , open system with detection motion compatible with Niceboy ION, range: home control, application in English, Czech and Slovak,
BLACK FRIDAY -25 % 374,- 499,-
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Order Code: NCB23_006
4.5 7×
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Somfy IntelliTAG sensor
Door and Window Sensor -, compatible with Manufacturer app, connect via Radio frequency, range of 200m, separately functional unit, supported OS: Android and iOS
  1,499,-
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In stock 4 pcs
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Order Code: SOMA04
5.0 4×
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Niceboy ION ORBIS Bridge
Central Unit - used as home control, connect using WiFi 2,4 GHz and Bluetooth, communication via Niceboy ION, compatible with Android and iOS, USB power supply
BLACK FRIDAY -25 % 674,- 899,-
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Order Code: NCB23_003
4.7 3×
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EVOLVEO Alarmex Pro (ACSALMRMT) remote control/key fob
Keychain -
  189,-
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Order Code: EVO22_14
5.0 2×
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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
  389,-
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In stock 3 pcs
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Order Code: EVO22_09
3.8 5×
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iGET SECURITY P4v2 - wireless magnetic door/window detector for iGET SECURITY M3B and M2B
Door and Window Sensor -, compatible with iGet Home, connect via Radio frequency, range of 70m, central unit required, supported OS: Android and iOS, application in Czech, application in Czech and English
  299,-
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In stock > 5 pcs
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Order Code: iGt21011
4.5 10×
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SwitchBot Motion Sensor
Motion Sesnor , connect through WiFi 2,4 GHz, open system with detection motion, range: security, power supply: Battery-Powered,
BLACK FRIDAY -17 % 329,- 399,-
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Order Code: SwBot21_12
3.7 8×
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Meross Smart Water Leak Sensor
Sensor - water leak sensor, for a safe home, It works 24/7, powered by replaceable CR123A battery (lifetime 18 months), battery indicator, IP67 waterproof, alerts via the app, 60 dB alarm, Meross Hub central unit is required for sensor functionality
  599,-
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Order Code: Mer24_14
5.0 1×
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GARNI 092H wireless sensor
Sensor Eight-channel wireless sensor for measuring temperature and relative humidity, designed for the GARNI 3055 Arcus Wi-Fi weather station.
  689,-
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Order Code: Garni22_04
5.0 3×
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Elektrobock CN16F
Motion Sesnor with detection motion, range: lighting, power supply: Power plug,
  279,-
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Order Code: ELBOCK144
3.5 6×
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iQtech SmartLife WL02, Wi-Fi flood sensor
Water Leak Detector - detects Water gas, battery-powered, compatible with Tuya and Manufacturer app, connect via WiFi 2,4 GHz, standalone functional unit,, app with Czech language support, app with Czech and English language support for Android and iOS
  698,-
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Order Code: iQTECH19085
4.3 8×
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RETLUX RSH 307 Smart door/window sensor
Door and Window Sensor -, compatible with Google Home, connect via Radio frequency, battery indication, central unit required
  319,-
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Order Code: RTLX25039
3.4 8×
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EVOLVEO WiFi DOOR, smart window/door detector
Door and Window Sensor - wireless, compatible with Smartlife, connect via WiFi 2,4 GHz, battery indication, separately functional unit, supported OS: Android and iOS, application in Czech, application in Czech and English
  267,-
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In stock > 10 pcs
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Order Code: EVO23_020
3.0 2×
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EVOLVEO Alarmex Pro (ACSALMIMS) wireless indoor siren
Siren - closed system, area of use: security, OS supported: Android and Windows, compatible with Manufacturer app, power supply: Power plug
  1,189,-
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In stock 3 pcs
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Order Code: EVO22_05
5.0 1×
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Somfy Indoor siren
Siren - open system, area of use: security, compatible with Manufacturer app, power supply: Battery-Powered
  3,689,-
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In stock 1 pcs
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Order Code: SOMA06
3.6 6×
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EVOLVEO WiFi EYE, smart magnetic PIR motion sensor
Motion Sesnor , connect through WiFi 2,4 GHz, closed system with detection motion compatible with Tuya, range: security, application in English, Czech, German, Slovak and Hungarian, power supply: Battery-Powered,
  242,-
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Order Code: EVO23_021
4.7 3×
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EZVIZ T3C smart button
Smart Wireless Switch - compatible with EZVIZ, control via app on Android and iOS,connect via , application in Czech and English
  469,-
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Order Code: EZVIZ23_03
5.0 5×
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RETLUX RSH 308 PIR Smart Motion Sensor
Motion Sesnor , connect through Radio frequency, closed system with detection Human presence compatible with Google Home, Tuya and Manufacturer app, range: security and home control, application in English, Czech and Slovak, power supply: Battery-Powered,
  409,-
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In stock > 10 pcs
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Order Code: RTLX25040
3.8 5×
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Xiaomi Mi Motion Sensor 2S
Motion Sesnor , connect through Bluetooth, closed system with detection motion and Lights compatible with Xiaomi Home, range: lighting, security and home control, power supply: Battery-Powered,
  399,-
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Order Code: XI300l04
4.8 6×
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AQARA Presence Sensor FP2 Angle Mount (AC-X01E)
Holder - for AQARA Presence Sensor FP2 allowing to tilt the presence sensor
BLACK FRIDAY -10 % 269,- 299,-
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Order Code: Aqara24014
4.8 4×
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EZVIZ T1C PIR
Motion Sesnor , closed system with detection motion compatible with Google Home and EZVIZ, range: security, application in English, Czech, German and Hungarian, power supply: Battery-Powered,
  619,-
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Order Code: EZVIZ23_01
4.0 1×
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EMOS PIR sensor (motion sensor) IP20, 1200 W, 360°, built-in
Motion Sesnor with detection motion, range: lighting, power supply: Power plug,
  289,-
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Order Code: EMOS26063
5.0 2×
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iQtech Millennium, Zigbee 2x 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
  399,-
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In stock 5 pcs
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Order Code: iQtech22_13
5.0 6×
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WOOX Smart Water Leak Sensor R7050
Water Leak Detector - detects Water gas,, compatible with Tuya, central unit required to function,, app with Czech language support, app with Czech and English language support for Android and iOS
  349,-
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In stock 2 pcs
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Order Code: Woox22_18
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In the category Smart Home Sensors & Detectors on Alza.cz, we currently have a total of 618 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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