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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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594 Results
4.9 12×
Airthings Corentium Home (224 B/m3) - digital radon detector
Air Quality Meter - detects radon, battery-powered, display, features: memory, cover material plastic, operating temperature from 4 to 40 °C, battery included, standalone unit
4,224,-
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In stock > 5 pcs
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Order Code: Air21TNG4
4.5 25×
SONOFF Zigbee Human Presence Sensor
Sensor - for motion detection, functionality based on 5.8 GHz microwave radar, three levels of sensitivity, detection distance up to 4 m, compatible with smart bulbs, Smart Switch and smart LED strips, possibility of fixing the base to the wall with 3M tape or screws, the sensor is fixed magnetically, USB-C power, ZigBee Hub central unit needed, Amazon Alexa support, Google Home, Smartthings, Alice and IFTTT
419,-
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Order Code: Sonoff23_07
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.
4,899,-
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Order Code: Air22TNG3
4.0 40×
Mi Door and Window Sensor 2
Door and Window Sensor - wireless, compatible with Xiaomi Home, connect via Bluetooth, integrated daylight sensor, central unit required, supported OS: Android and iOS, application in English
299,-
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In stock > 10 pcs
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Order Code: Xi21_01
4.9 60×
Elektrobock CN20
Motion Sesnor with detection motion, range: lighting, power supply: Power plug,
Great price 189,- Save 10,-
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Order Code: ELBOCK061
4.4 48×
AQARA Door and Window Sensor P2
Door and Window Sensor - wireless, compatible with Apple Home, Google Home, Samsung SmartThings and Aqara Home, connect via Bluetooth, battery indication, central unit required, supported OS: Android and iOS, application in Czech, application in Czech and English
759,-
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Order Code: AqRAA_0018
4.9 10×
Eve Motion (Matter - compatible with Apple, Google, SmartThings & Amazon Alexa)
Motion Sesnor , connect through Bluetooth, closed system with detection motion and Light compatible with Apple Home, Google Home and Samsung SmartThings, range: lighting, security and home control, application in English and German, power supply: Battery-Powered,
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. 1,119,-
1,399,-
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In stock > 5 pcs
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Order Code: Eve23_03
4.4 26×
Xiaomi Temperature and Humidity Monitor 3 Mini
Sensor - temperature detection, humidity, functioning independently, CR2450 battery power supply, Xiaomi Home compatible apps, plastic material, Bluetooth connection, optical signalling, installation by gluing
249,-
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Order Code: XIA25001
4.6 20×
Shelly Gen3 H&T, battery operated temperature and humidity sensor with display, WiFi, black
Detector - dimensions without stand 70 x 70 x 26 mm, with stand 70 x 70 x 45 mm, ambient temperature 0 °C to 40 °C, humidity between 30% and 70% relative humidity, 4 AA (LR6) 1.5 V batteries (batteries not included), USB Type-C power supply (cable not included)
1,010,-
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Order Code: Shell24_008
4.8 38×
TP-Link Tapo S200D
Dimmers - button to control the intelligent lighting, adjustable actions, multiple light control, can be fixed with screws, with double-sided tape or on any metal surface, battery (1× CR2032) with a lifetime of up to 1 year, does not work standalone - Tapo Smart Hub (H100) is required
549,-
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Order Code: TP23_001
4.9
Eufy Motion Sensor - White
Motion Sesnor , connect through WiFi 2,4 GHz, closed system with detection motion, range: security, application in English, power supply: Battery-Powered,
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. 799,-
999,-
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In stock > 5 pcs
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Order Code: AnkEuf21_01
4.2 12×
Airthings Wave mini - air quality, humidity, temperature and air chemicals sensor
Air Quality Meter - detects temperature, humidity, TVOC (volatile organic compounds), temperature measurement with accuracy 1 °C, humidity measurement with accuracy 3 %, battery-powered, visual signals, notifications via push notifications, battery indication, operating temperature from 4 to 40 °C, holder and battery included, standalone unit requires a central hub, app language: English, compatible with Android and iOS
2,049,-
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In stock > 5 pcs
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Order Code: Air21TNG1
5.0
Shelly Gen4 Flood, flood sensor, Bluetooth
Water Leak Detector - detects Humidity and water gas, battery-powered, range: 2 m, sound level: 50dB, compatible with Apple Home, Google Home, Manufacturer app and Home Assistant, connect via WiFi 2,4 GHz and Bluetooth, battery indication, standalone functional unit,, app with Czech language support, app with Czech and English language support for Android, Windows and iOS
899,-
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In stock > 5 pcs
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Order Code: Shell25034
4.2 46×
iQtech SmartLife WS024, smart Wi-Fi plug adapter with protective pin, 16 A, power metering
Smart Socket controlled via Wifi, operated: standalone, compatible with Tuya and Smartlife, consumption measurement, application in English, czech, german, slovak and hungarian for Android and iOS,
369,-
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In stock > 10 pcs
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Order Code: iQ21TECH131
4.5 14×
Honeywell Home R200C-N2, Connected Carbon Monoxide Detector and Detector, CO Alarm
Gas Leak Detector - detects CO (carbon monoxide), smoke, measurement range from 3 to 330 ppm, gas detection sensitivity 28 ppm, battery-powered, detection reach 100 m, acoustic signals, signal volume 85 dB, features test button and alarm, cover material plastic, operating temperature from -10 to 40 °C, operating humidity from 25 to 95 %, input voltage 3V, battery included, standalone unit
Buy with code ALZADNY10 The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získejte slevu 10 % s kódem ALZADNY10. Klikněte a kód se uplatní automaticky. 1,258,-
1,398,-
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In stock > 5 pcs
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Order Code: HNW22_02
4.0 24×
Nuclear radiation detector JT-RAD01
Detector The JT-RAD01 is a radiation meter for the detection of γ-, β- and X-rays and is characterized by particularly easy handling, high measurement stability and a practical and robust design. The meter has a large colour LCD display with backlight. The measurement results can be displayed both as an overview statistic and as an evaluation graph. J17
1,999,-
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In stock > 5 pcs
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Order Code: m23_01
3.7 24×
iGET SECURITY EP1 - wireless PIR motion sensor for iGET M5-4G alarm
Detector PIR motion sensor for iGET SECURITY M5 alarm. Protection against sabotage, highest transmission security 256bit, very long battery life of 5 years, the alarm constantly monitors the activity of this sensor, also a signal, battery percentage and more. Special magnetic holder for attachment containing trigger.
619,-
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Order Code: iGt21015
3.8 24×
iQtech SmartLife CS01W Combo CO + Smoke Detector, Wi-Fi
Smoke Detector - detects gas, measurement range from 50 to 300 ppm, battery-powered , acoustic signals, signal volume 85 dB, cover material plastic, compatible with Tuya, standalone unit, app language options: Czech and English , compatible with Android and iOS
998,-
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In stock > 5 pcs
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Order Code: iQ21TECH134
4.7
MOES CO Detector, Zigbee
Gas Leak Detector - detects CO (carbon monoxide), battery-powered, acoustic signals, notifications via push notifications, signal volume 85 dB, battery indication, features self-diagnostics, cover material plastic, operating temperature from -10 to 40 °C,, compatible with Tuya and MOES, requires a central hub, app language options: Czech and English , compatible with Android and iOS
999,-
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In stock > 5 pcs
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Order Code: Moes22_37
4.1 93×
TESLA Smart Sensor Temperature and Humidity Display
Sensor - on the wall and on the table, measures temperature and humidity, with a display, 2 AAA batteries, white colour, dimensions 61 × 61 × 23 mm (H×W×D)
Buy with code ALZADNY10 The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získejte slevu 10 % s kódem ALZADNY10. Klikněte a kód se uplatní automaticky. 485,-
539,-
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In stock > 10 pcs
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Order Code: Tsl_22_28
4.9 27×
SONOFF SNZB-05P Zigbee Water Leak Sensor
Sensor - protection against water damage in your home, Zigbee, email alerts, SMS or mobile notifications, on a CR2477 battery, degree of protection IP67, Zigbee2MQTT and Home Assistant support
399,-
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In stock > 10 pcs
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Order Code: SNFa108
4.0
Shelly Gas, CNG Gas Detector, Alarm: Flashing LED & Acoustic Signal, WiFi
Detector - Shelly GAS is a compact and highly sensitive CNG natural gas detector, bringing additional security for your home and family. Alarm: flashing LED & acoustic signal. Alarm sensitivity: 6% LEL, noise level: ?70dB. Smart switching: Yes. Local and remote control: Yes. Dimensions: 89.5mm x 89.5mm x 38mm. Connection not included. Mobile app available in Czech, Slovak, English and other languages.
1,529,-
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In stock > 5 pcs
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Order Code: SHELLa0009
4.3 45×
Xiaomi Mi Wireless Switch
Smart Wireless Switch - compatible with Xiaomi Home, control via app on Android, Windows and iOS, connect via WiFi 2,4 GHz, application in English
299,-
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In stock > 5 pcs
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Order Code: XI300l03
4.5 35×
AQARA Cube T1 Pro
Smart Wireless Remote Zigbee scene controller
Buy with code ALZADNY10 The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získejte slevu 10 % s kódem ALZADNY10. Klikněte a kód se uplatní automaticky. 503,-
559,-
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In stock > 10 pcs
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Order Code: Aqa22_10
In the category Smart Home Sensors & Detectors on Alza.cz, we currently have a total of 594 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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