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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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Sensor - ZigBee connection (requires a gateway), accurate measurement of temperature -10 to 60 °C and humidity 0-99%, real-time data in MOES, Tuya / Smart Life support, smart scenes and automation, compact dimensions 43 × 42.5 × 11.8 mm, light weight 21 g
SOS Button SOS button - Smart Life app, WiFi network, one-button alarm with tow rope, sound and light alarm, recording history and tracking battery status in the app, support for automated scenes, easy installation without interference to the mains, helps in crisis situations, batteries: AA, stand-alone functional unit
Sensor - humidity sensor, waterproof (IP55), compatible with Sonoff TH Origin/Elite sensor, cable 50 cm long, support for voice assistants, operating temperature 0 to 60 °C, humidity measurement 0-99% RH, RJ9 4P4C connector
Sensor - WiFi 2.4 GHz without gateway, alerts for temperature and humidity changes, compatibility with Tuya / Smart Life, push notifications, Alexa and Google Assistant support, LCD display, clever scenes, up to 1 year on 2× AAA batteries, easy assembly, compact design
Vibration Detector - detects vibration gas, battery-powered, range: 30 m, compatible with Tuya and Smartlife, connect via WiFi 5 GHz, battery indication and adjustable sensitivity, central unit required to function, app with English language support for Android and iOS
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 - 25.41 €/pcs
Buy with codeALZADAYS50ATThe discount code gives the option of applying a discount on a given product when entering the code in the shopping cart.
Erhalten Sie 50 % Rabatt mit dem Code ALZADAYS50AT. Das Angebot gilt bis zum 15. September 2025 oder solange der Vorrat reicht und ist nur für Endverbraucher bestimmt.25.41 €
Air Quality Meter - detects temperature, humidity, CO₂ (carbon dioxide), 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
Motion Sesnor , connect through WiFi 2,4 GHz and WiFi 5 GHz with detection motion compatible with Tuya, range: security, application in English, Czech and Slovak, power supply: Battery-Powered,
Motion Sesnor , connect through WiFi 2,4 GHz, open system with detection motion compatible with Tuya, Lidl Home, Smartlife and EMOS GoSmart, range: lighting and security, application in English, Czech, German, Slovak, Hungarian, In Polish, In Spanish, In French and In Italian, power supply: Battery-Powered,
Air Quality Meter - detects CO (carbon monoxide), temperature measurement from -20 to 100 °C with accuracy 0.5 °C, battery-powered, acoustic signals, notifications via push notifications, battery indication, features: alarm, cover material plastic, operating temperature from 0 to 55 °C,, battery included, requires a central hub, app language options: Czech and English
Motion Sesnor , connect through WiFi 2,4 GHz, closed system with detection motion compatible with Manufacturer app, range: lighting, security and home control, application in English and Czech, power supply: Battery-Powered,
Door and Window Sensor - wireless, compatible with Manufacturer app, connect via WiFi 2,4 GHz, battery indication and protection against sabotage, central unit required, application in Czech, application in Czech and English
Smoke Detector - temperature measurement from -20 to 100 °C with accuracy 0,5 °C, battery-powered , acoustic signals, notifications via push notifications, battery indication, features: alarm, cover material plastic, operating temperature from 0 to 55 °C, operating humidity from 0 to 93 %, battery included, requires a central hub, app language options: Czech and English
Water Leak Detector - detects Humidity gas, battery-powered, compatible with Manufacturer app, connect via WiFi 2,4 GHz, battery indication, central unit required to function,, app with Czech language support, app with Czech and English language support
Door and Window Sensor - wireless, compatible with Manufacturer app, connect via WiFi 2,4 GHz, battery indication and protection against sabotage, central unit required, application in Czech, application in Czech and English
In the category Smart Home Sensors & Detectors on Alza.at, we currently have a total of 345 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.