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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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592 Results
Homematic IP Rain Sensor - HmIP-SRD
Sensor The wireless rain sensor (HmIP-SRD) for outdoor use is part of the Homematic IP smart home system. The sensor with its high weather and weather protection offers a wide range of applications in conjunction with other Homematic IP devices. The device detects even the smallest amount of rain or snowfall and then transmits the information to the Central Unit (HmIP-HAP) and the connected Homematic IP devices, which react according to a predefined configuration.
-59 % off new 1,559,- New 3,890,-
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Unsealed - in stock 1 pcs
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Order Code: Home22_37
EMOS GoSmart Water Leak Detector P56000S, ZigBee
Water Leak Detector - detects water gas, battery-powered, sound level: 85dB, compatible with Tuya, Lidl Home, Smartlife, EMOS GoSmart and Manufacturer app, battery indication, central unit required to function,, app with Czech language support, app with Czech and English language support for Android and iOS
-5 % off new 629,- New 669,-
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Unsealed - in stock 1 pcs
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Order Code: EMOS24054
Hütermann Water flood minialarm - water leak detector - flood moisture sensor
Water Leak Detector - detects water gas, battery-powered, sound level: 85dB, standalone functional unit
-12 % off new 289,- New 329,-
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Unsealed - in stock 1 pcs
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Order Code: EMPlist0131
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,
5,772,-
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In stock 2 pcs
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Order Code: AJAX26003
SAFE Motion Guard, white
Sensor - wireless motion detector equipped with dual PIR sensor detecting motion at a distance of up to 12 meters, PET immunity up to a weight of 18 kg and 50 cm height, The detector is powered by a replaceable battery that allows continuous operation of the detector for up to 4 years, colour white
1,291,-
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In stock > 5 pcs
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Order Code: SAFEH26003
SAFE Motion Cam (PhOD), white
Sensor - wireless dual PIR motion detector with photo camera, images in case of an alarm, or on request (PhOD), Motion detection up to 12 metres, which reliably ignores the movement of animals in the guarded area up to a weight of 18 kg and a height of 50 cm, Battery life for up to 4 years, Colour white
3,291,-
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In stock > 5 pcs
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Order Code: SAFEH26001
SAFE Motion Guard Outdoor, white
Motion Sesnor , connect through Radio frequency, closed system with detection motion compatible with Manufacturer app, range: security, application in English, Czech and German, power supply: Battery-Powered,
New arrival 4,991,-
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In stock > 5 pcs
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Order Code: SAFEH26018
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,
5,248,-
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In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
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Order Code: AJAX26001
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,
5,248,-
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In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
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Order Code: AJAX26002
SAFE Door Guard Plus, white
Sensor - wireless magnetic open, shock and tilt detector for window and door security Powered by a replaceable battery that allows continuous operation for up to 4 years, white colour
1,161,-
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In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
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Order Code: SAFEH26008
SAFE Door Guard, white
Sensor - Wireless magnetic door and window security detector Powered by a replaceable battery that allows continuous operation for up to 5 years, white colour
881,-
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In stock 5 pcs
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Order Code: SAFEH26009
SAFE Glass Guard, white
Sensor - wireless glass breakage detector for security of glazed surfaces equipped with two NC inputs, Multi-factor glass breakage detection with the possibility of remote sensitivity configuration significantly eliminates the occurrence of false alarms, The detector is powered by a replaceable battery that allows continuous operation for up to 3 years, colour white
1,191,-
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In stock > 5 pcs
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Order Code: SAFEH26007
SAFE Indoor Siren, white
Siren - closed system, area of use: security, OS supported: Android and iOS, compatible with Manufacturer app, power supply: Battery-Powered, in Czech and English
1,191,-
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In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
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Order Code: SAFEH26006
SAFE Motion Guard Plus, white
Sensor - wireless dual PIR motion detector with microwave sensor detecting motion up to 12 meters, which is able to reliably ignore the movement of animals in the guarded area (PET immunity) up to a weight of 18 kg and 50 cm height, The detector is powered by a replaceable battery type CR123A, which allows continuous operation of the detector for up to 4 years, colour white
1,591,-
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In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
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Order Code: SAFEH26002
HEATIT External Temperature Sensor Black
Sensor - external room sensor for use with Multireg and Heatit thermostats, sensor can be mounted directly on the wall or on top of a standard European wiring box, use with most frames adapted to the 55 system
539,-
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In stock 3 pcs
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Order Code: HEA23_11
EVOLVEO Alarmex Pro (ACSALMWTD) wireless flood detector
Water Leak Detector - detects water gas, battery-powered, range: 100 m, compatible with Manufacturer app, connection via radio waves, battery indication, standalone functional unit
-12 % off new 429,- New 489,-
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Unsealed - in stock 1 pcs
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Order Code: EVO22_11
White Sengled Pulse Horn Set
Holder - For Sengled Pulse Flex Light Bulbs, made of brushed aluminium, 2 pcs
-69 % off new 579,- New 1,929,-
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Unsealed - in stock 1 pcs
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Order Code: SNG100b2
1.0
EVOLVEO Alarmex Pro ( ACSALMOUS) wireless outdoor light and sound siren
Siren - closed system, area of use: security, OS supported: Android and iOS, compatible with Manufacturer app, power supply: Power plug, in Czech and English
1,289,-
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In stock 3 pcs
Order Code: EVO22_04
HEATIT Z-Smoke Multisensor 230VAC White, Z-Wave smoke sensor
Smoke Detector - detects motion, temperature, mains power supply, detection reach 100 m, acoustic signals, signal volume 85 dB, features: test button and alarm, cover material plastic, operating temperature from 0 to 50 °C, operating humidity from 0 to 85 %, ingress protection IP20, input voltage 230 V, requires a central hub, compatible with Android, Windows and iOS
3,959,-
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In stock 1 pcs
Order Code: HEA23_14
4.2 52×
AQARA Presence Sensor FP2
Motion Sesnor , connect through WiFi 2,4 GHz and Bluetooth, closed system with detection motion and Light compatible with Apple Home, Google Home, IFTTT and Aqara Home, range: lighting and security, application in English, Czech and Slovak, power supply: Power plug and USB,
-23 % off new 1,489,- New 1,939,-
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Unsealed - in stock 1 pcs
Order Code: Aqara23_002
4.2
Airthings View Radon - Air Quality Monitor
Air Quality Meter is designed for indoor environments where it monitors humidity, temperature and the amount of radon in the air. You use batteries or a USB cable to power it. Easily connect the air detector to the app via Wi-Fi or HUB using Airthings Smartlink. The app is compatible with both Android and iOS operating systems. Airthings View Radon also communicates with IFTTT, Google Assistant and Amazon Alexa voice assistants.
-1 % off new 4,849,- New 4,899,-
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Unsealed - in stock 1 pcs
Order Code: Air22TNG3
4.3 15×
FIBARO Window and door sensor 2 white
Door and Window Sensor - wireless, compatible with Manufacturer app, connect via WiFi 2,4 GHz and Bluetooth, range of 50m, central unit required, supported OS: Android and iOS, application in Czech, application in Czech and English
-6 % off new 1,219,- New 1,299,-
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Unsealed - in stock 1 pcs
Order Code: FIBR02hg1
4.0
REX IoT Door Opener Detector with Mobile Alarms
Motion Sesnor with detection Opening windows and doors, range: security, power supply: Battery-Powered,
-14 % off new 2,569,- New 2,990,-
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Unsealed - in stock 1 pcs
Order Code: Rexlo007
SONOFF AirGuard PM2.5/PM10 Matter Over Wi-Fi Air Quality Monitor SAWF-07P
Air Quality Meter - detects temperature, humidity, dust particles, measurement range from 400 to 5000 ppm, gas detection sensitivity 50 ppm, temperature measurement from 0 to 50 °C with accuracy 0.5 °C, humidity measurement from 5 to 99 % with accuracy 3 %, acoustic, visual signals, notifications via push notifications, display, features: alarm, cover material plastic, operating temperature from -10 to 50 °C,, input voltage 5 V, power cable included, compatible with Apple Home, Google Home, Samsung SmartThings, eWeLink and Home Assistant, standalone unit, app language options: Czech and English, compatible with Android and iOS
Buy with code ALZADNY20 The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získejte slevu 20 % s kódem ALZADNY20. Klikněte a kód se uplatní automaticky. 1,095,-
1,369,-
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Unsealed - in stock 1 pcs
Order Code: SNF2612
In the category Smart Home Sensors & Detectors on Alza.cz, we currently have a total of 592 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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