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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465 Results
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Homematic IP Siren outdoor - solar - HmIP-ASIR-O
Siren - open system, area of use: security, OS supported: Android and iOS, compatible with Google Home and Homematic IP, power supply: Battery-Powered, Solar and USB, in Czech and English
  61,120 Ft
Currently Unavailable
Order Code: Home22_15
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Homematic IP Window and door sensor - magnetic - HmIP-SWDM
Door and Window Sensor - wireless, compatible with Home Connect and Homematic IP, connect via Radio frequency, range of 200m, central unit required, supported OS: Android and iOS, application in Czech
  12,410 Ft
Currently Unavailable
Order Code: Home22_23
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EVOLVEO Alarmex Pro (ACSALMMSTS) wireless door/gate/gate detector
Door and Window Sensor - wireless, compatible with Manufacturer app, connect via WiFi 2,4 GHz, GSM and Radio frequency, range of 80m, separately functional unit, supported OS: Android and iOS, application in Czech, application in Czech and English
  12,000 Ft
Currently Unavailable
Order Code: EVO22_10
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Homematic IP Window and door sensor, magnetic - HmIP-SWDM-2
Door and Window Sensor - wireless, compatible with Homematic IP, connect via Radio frequency, range of 200m, central unit required, supported OS: Android and iOS, application in Czech, application in Czech and English
  13,190 Ft
Currently Unavailable
Order Code: Home26001
2.8 5×
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Nedis switch RFWS20WT
Toggle Switch RF, smart, wall-mounted, range 30 m, Double, White colour
  5,090 Ft
Currently Unavailable
Order Code: NDS_21_02
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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
  19,460 Ft
Currently Unavailable
Order Code: WiZ25002
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EMOS Microwave sensor (motion sensor) IP20, 2000 W, 360°, mounted
Motion Sesnor with detection motion, range: lighting, power supply: Power plug,
  6,740 Ft
Currently Unavailable
Order Code: EMOS26066
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EVOLVEO SecuPro, wireless siren with solar power
Siren - closed system, area of use: security, power supply: Battery-Powered, Solar and USB
  14,890 Ft
Currently Unavailable
Order Code: EVO24013
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Homematic IP Window and door handle position sensor - HmIP-SRH
Door and Window Sensor - wireless, compatible with Home Connect and Homematic IP, connect via Radio frequency, range of 160m, central unit required, supported OS: Android and iOS, application in English
  22,090 Ft
Currently Unavailable
Order Code: Home22_24
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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,
  12,690 Ft
Currently Unavailable
Order Code: EVolv08
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Homematic IP PIR motion detector with brightness sensor - indoor - HmIP-SMI
Motion Sesnor , connect through WiFi 2,4 GHz, closed system with detection motion, range: security, application in Czech, power supply: Battery-Powered,
  18,400 Ft
Currently Unavailable
Order Code: Home22_27
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EMOS Twilight Sensor 1800 W IP65 White
Sensor operating time 1 hour – 9 hours, IP65 protection rating, sensor type: twilight sensor, power supply 220–240 V~, dimensions 105 × 67 × 34 mm, warranty period 5 years
  5,170 Ft
Currently Unavailable
Order Code: EMOS26182
5.0 1×
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Shelly Blu H&T Display, Zigbee, Bluetooth, Black
Humidity Sensor
New arrival 11,990 Ft
Currently Unavailable
Order Code: Shell26037
Homematic IP Water Stop and Supply Unit - Water Leak Detector Free delivery
Alzaboxes and stores
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Homematic IP Water Stop and Supply Unit
Water Leak Detector - detects Water gas, mains and battery power, compatible with Homematic IP, connection via radio waves, central unit required to function,, app with Czech language support, app with Czech and English language support for Android and iOS
  439,790 Ft
Currently Unavailable
Order Code: Home26012
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Homematic IP Smoke Detector Starter Set - HmIP-SK27
Smoke Detector - mains + battery-powered , acoustic signals, notifications via push notifications, signal volume 85 dB, battery indication, features: emergency lighting and alarm, cover material plastic, operating temperature from 5 to 35 °C, ingress protection IP20, input voltage 230 V, HUB and battery included, compatible with Homematic IP, requires a central hub, app language options: Czech and English , compatible with Android and iOS
  70,550 Ft
Currently Unavailable
Order Code: Home26013
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Ajax MotionCam HDR, black
Motion Sesnor , closed system with detection motion compatible with Ajax, range: security, application in English, Czech and Slovak, power supply: Battery-Powered,
  84,070 Ft
Currently Unavailable
Order Code: AJAX26001
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Ajax MotionCam HDR (PhOD) Jeweller, white
Motion Sesnor , closed system with detection motion compatible with Ajax, range: security, application in English, Czech and Slovak, power supply: Battery-Powered,
  92,490 Ft
Currently Unavailable
Order Code: AJAX26004
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Ajax MotionCam HDR (PhOD) Jeweller, black
Motion Sesnor , closed system with detection motion compatible with Ajax, range: security, application in English, Czech and Slovak, power supply: Battery-Powered,
  92,490 Ft
Currently Unavailable
Order Code: AJAX26003
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Xtend Home EZS-KLR10
Remote Control - wireless, 4 buttons, 433MHz, for Tuya control panel, 3V battery (CR2032)
  3,790 Ft
Currently Unavailable
Order Code: Xtend25013
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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
  131,110 Ft
Currently Unavailable
Order Code: AJAX23_025
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Ajax MotionCam HDR, white
Motion Sesnor , closed system with detection motion compatible with Ajax, range: security, application in English, Czech and Slovak, power supply: Battery-Powered,
  84,070 Ft
Currently Unavailable
Order Code: AJAX26002
5.0 1×
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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
  4,700 Ft
Currently Unavailable
Order Code: EVO24007
5.0 1×
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Homematic IP Temperature and humidity sensor - outdoor - HmIP-STHO
Sensor wireless (HmIP-STHO) for outdoor use is part of the Homematic IP smart home system. The compact, weatherproof sensor offers a wide range of applications in conjunction with other Homematic IP devices. The device monitors outdoor temperature and relative humidity. The measured values are then transmitted to the Central Unit (HmIP-HAP) and to the connected Homematic IP devices, which respond according to a predefined configuration.
  20,270 Ft
Currently Unavailable
Order Code: Home22_34
5.0 1×
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Honeywell adapter for HR90, HR92, HR30 to Herz and Comap M28x1,5 valves
Heating Set - adapter for installation of Honeywell thermostatic heads on Herz and Comap radiator valves with M28 × 1.5 thread (HR92, HR90, HR30)
  3,440 Ft
Currently Unavailable
Order Code: HN21Well20
In the category Smart Home Sensors & Detectors on Alza.hu, we currently have a total of 465 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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