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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Sensor - real-time door status detection, door status display in tedee app, long-open door alert, wireless operation, Bluetooth
Air Quality Meter - detects temperature, humidity, air pressure, TVOC (volatile organic compounds), CO₂ (carbon dioxide), noise, battery-powered, visual signals, notifications via push notifications, features: memory, operating temperature from 0 to 45 °C, operating humidity from 5 to 95 %, battery included, standalone unit requires a central hub, compatible with Android and iOS
Air Quality Meter is designed for indoor environments where it monitors humidity and temperature. 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 Pollution also communicates with IFTTT, Google Assistant and Amazon Alexa voice assistants.
Detector Smoke sensor for iGET SECURITY M5 alarm. It works independently and also as an accessory for the iGET SECURITY M5 alarm. It complies with the provisions incl. EN14604:2005. Optical smoke detection, unobtrusive design. Protection against sabotage, highest transmission security 256bit, Long battery life up to 3 years, the alarm constantly monitors the activity of this sensor, also a signal, battery percentage and more.
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
Smoke Detector - battery-powered , reaction time 0,002 s, acoustic signals, notifications via push notifications, signal volume 110 dB, features: alarm, cover material plastic, operating temperature from 0 to 55 °C, operating humidity from 0 to 95 %, mounting kit included, requires a central hub, app language options: Czech and English , compatible with Android and iOS
Buy with code
ALZADAYS20DE
The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart.
Erhalten Sie 20 % Rabatt mit dem Code ALZADAYS20DE. Das Angebot gilt bis zum 15. September 2025 oder solange der Vorrat reicht und ist nur für Endverbraucher bestimmt.
19.92 €
24.90 €
In stock > 10 pcs
Order Code:
QGP012a
Sensor - professional temperature and humidity monitoring for greenhouses, factories, warehouses, business centers, supermarkets and hospitals, temperature range -20 to 50 °C, humidity range 0-99.9%, support extreme indoor conditions, connectivity option - LoRa (gateway required), NB-IoT (50 MB of free data per year) or Wi-Fi, regular reporting of traffic and over-limits, wireless remote monitoring, instant alerts when the set values are exceeded, 2600 mAh rechargeable battery with USB power supply, multi-stage alert settings
Buy with code
ALZADAYS25DE
The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart.
Erhalten Sie 25 % Rabatt mit dem Code ALZADAYS25DE. Das Angebot gilt bis zum 15. September 2025 oder solange der Vorrat reicht und ist nur für Endverbraucher bestimmt.
26.18 €
Discounted -14 %
34.90 €
40.90 €
In stock > 5 pcs
Order Code:
QGP006a
Siren - closed system, area of use: security, OS supported: Android and iOS, power supply: Power plug and Battery-Powered, in Czech and English
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
Temperature Sensor - moisture detection, temperature measurement from -10 to 50 °C with an accuracy of 0.3 °C, moisture measurement with 3% accuracy, battery power, notification via SMS, push notifications, battery status indication, reset function and automatic scenarios, cover material plastic, operating temperature from -10 to 50 °C, operating humidity from 0 to 95%, input voltage 3 V, battery and mounting kit included, independently functional unit central unit required for functionality, applications in Czech and English, compatible with Android and iOS
Buy with code
ALZADAYS15DE
The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart.
Erhalten Sie 15 % Rabatt mit dem Code ALZADAYS15DE. Das Angebot gilt bis zum 15. September 2025 oder solange der Vorrat reicht und ist nur für Endverbraucher bestimmt.
13.52 €
15.90 €
In stock > 10 pcs
Order Code:
RTLX25041
Door and Window Sensor -, compatible with Google Home, connect via Radio frequency, battery indication, central unit required
Buy with code
ALZADAYS15DE
The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart.
Erhalten Sie 15 % Rabatt mit dem Code ALZADAYS15DE. Das Angebot gilt bis zum 15. September 2025 oder solange der Vorrat reicht und ist nur für Endverbraucher bestimmt.
13.52 €
15.90 €
In stock > 10 pcs
Order Code:
RTLX25039
Air Quality Meter - detects temperature, humidity, TVOC (volatile organic compounds), CO₂ (carbon dioxide), noise, dust particles, measurement range from 400 to 9999 ppm, temperature measurement from -10 to 60 °C, humidity measurement, battery-powered, visual signals, notifications via push notifications, display, features: hours, date and alarm clock, cover material plastic, input voltage 5 V, power cable included, standalone unit, app language: English, compatible with Android and iOS
Air Quality Meter - detects gas, temperature, humidity, measurement range from 400 to 9999 ppm, temperature measurement from -20 to 50 °C with accuracy 0.5 °C, humidity measurement with accuracy 5 %, display, features: hours, cover material plastic, input voltage 5 V, standalone unit, app language options: Czech and English, compatible with Android and iOS
Alarm Clock - Digital, power supply: battery, features: date
Motion Sesnor , connect through WiFi 2,4 GHz, open system with detection motion compatible with Tuya, Smartlife and MOES, range: security, power supply: USB,
Buy with code
ALZADAYS25DE
The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart.
Erhalten Sie 25 % Rabatt mit dem Code ALZADAYS25DE. Das Angebot gilt bis zum 15. September 2025 oder solange der Vorrat reicht und ist nur für Endverbraucher bestimmt.
26.93 €
35.90 €
In stock > 5 pcs
Order Code:
Moes2507
Gas Leak Detector - measurement range from 0 to 1000 ppm, deviation 100 ppm, reaction time 2 s, acoustic signals, battery indication and display, features alarm, cover material plastic, operating temperature from -10 to 50 °C,, input voltage 24 V, power cable included, standalone unit
Sensor Temperature and humidity sensor with LCD screen, Infrared induction switch for bright backlighting
Gas Leak Detector - measurement range from 0 to 1000 ppm, reaction time 2 s, acoustic signals, battery indication and display, features alarm, cover material plastic, operating temperature from -10 to 50 °C,, input voltage 24 V, power cable included, standalone unit
Sensor - 3in1 PIR sensor, presence and lighting, Zigbee 3.0 (Tuya) is a smart device, which combines motion detection (PIR), monitoring the presence of people and measuring light levels, power supply via USB C connector, thanks to Zigbee communication, it easily connects to the Tuya smart home, Immax NEO PRO app in Czech and 60 other languages compatible with iOS, Android, Apple Siri shortcuts and further with TUYA systems, LIDL, ideal for smart lights, alarms or optimising energy consumption
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 Radio frequency with detection motion, range: security, power supply: Battery-Powered and USB,
Door and Window Sensor - wireless, compatible with Apple Home, Google Home and Samsung SmartThings, connect via Bluetooth, central unit required, supported OS: Android and iOS, application in English
Buy with code
ALZADAYS25DE
The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart.
Erhalten Sie 25 % Rabatt mit dem Code ALZADAYS25DE. Das Angebot gilt bis zum 15. September 2025 oder solange der Vorrat reicht und ist nur für Endverbraucher bestimmt.
43.43 €
57.90 €
In stock > 5 pcs
Order Code:
Eve23_02
Light Switch - for lighting, operates: Standalone, compatible with Tuya and Smartlife, power supply: Power plug, connection: WiFi 2,4 GHz, works with Android and iOS, application in Czech
Alza Days
Smoke
Gas
Water
Motion
Smart Air Quality Meters
Vibration
Temperature & Humidity
Door and Window Sensors
Accessories
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In the category Smart Home Sensors & Detectors on Alza.de, we currently have a total of 321 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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