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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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347 Results
4.3
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MOES Gate & Window Sensor, Zigbee
Door and Window Sensor - wireless, compatible with Tuya, battery indication, central unit required, supported OS: Android and iOS, application in Czech, application in Czech and English
  11.90 €
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In stock 2 pcs
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Order Code: Moes22_40
4.0
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AQARA Vibration Sensor T1 (VB-S01D)
Vibration Detector - detects Opening windows and doors, Fall and vibration gas, battery-powered, reaction time: 1s, compatible with Apple Home and Manufacturer app, battery indication and adjustable sensitivity, central unit required to function,, app with Czech language support, app with Czech and English language support for Android and iOS
Discounted -5 % 17 € 17.90 €
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Order Code: Aqara25021
4.1 17×
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AQARA Motion and Light Sensor P2
Motion Sesnor , connect through Bluetooth, open system with detection motion and Lights compatible with Apple Home and Aqara Home, range: lighting and security, application in English, Czech, German, Slovak and In Polish, power supply: Battery-Powered,
Discounted -7 % 27.80 € 29.90 €
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Order Code: Aqara24002
4.9 16×
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Honeywell Home R200S-2 Fire detector alarm - smoke sensor (optical principle), battery operated
Smoke Detector - temperature measurement to 70 °C, battery-powered , acoustic signals, signal volume 85 dB, features: test button and alarm, cover material plastic, operating temperature to 40 °C, operating humidity from 25 to 93 %, input voltage 3V, battery included, standalone unit
Discounted -10 % 25.90 € 28.90 €
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Order Code: HNW22_04
4.0
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Philips Hue Contact sensor White
Sensor - security sensor on the windows, door or safe, sends an alert or triggers a preset light alarm, includes a magnetic counterpart, IP20, can be glued or screwed (material not included), bridge required for full functionality, White colour
  39.90 €
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Order Code: PHLS23015
4.0 24×
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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
  67.90 €
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Order Code: m23_01
4.9 13×
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SONOFF IP65 Zigbee LCD Smart Temperature Humidity Sensor SNZB-02WD
Sensor – IP65 waterproof design, temperature and humidity measurements, clear 2.2″ LCD display, high accuracy of ±0.2 °C and ±2 % RH, view history up to 180 days, smart scenes and notifications, support for voice assistants, Zigbee 3.0 compatible
  32.90 €
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Order Code: SNFa116
5.0
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MOES Human Presence Sensor + Light Sensor, Zigbee
Motion Sesnor , open system with detection motion, range: security, power supply: USB,
  23.90 €
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Order Code: Moes2505
4.7
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Meross Smart Presence Sensor
Sensor - dual detection technology, accurate presence detection even without motion, range up to 12 m, intelligent lighting automation, minimising false alarms, HomeKit compatibility, Alexa, Google Home and Matter, stable and secure connection, continuous cable power supply, adjustable base, protective shield against pet detection, mounting bracket included
  28.90 €
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Order Code: Mer2415
4.3 11×
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Eve Door & Window (Matter - compatible with Apple, Google, SmartThings & Amazon Alexa)
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
  41.89 €
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Order Code: Eve23_02
4.7 41×
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SwitchBot Thermo/Hygrometer Indoor/Outdoor
Sensor - measures temperature and humidity, mobile apps, degree of protection IP65, strap for hanging, updates the measured values every 4 seconds, for remote synchronisation or control by voice assistants a central unit is required (not included)
  17.90 €
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Order Code: SwBot21_26
4.8
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AQARA Presence Sensor FP2 Angle Mount (AC-X01E)
Holder - for AQARA Presence Sensor FP2 allowing to tilt the presence sensor
Discounted -10 % 11.60 € 12.90 €
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Order Code: Aqara24014
3.9 10×
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Tado Wireless temperature sensor X
Sensor The X Wireless Temperature Sensor is an optional add-on for X Smart Thermostatic Heads that allows for more accurate temperature measurement. Package contents: Wireless temperature sensor X, 3x AAA batteries, mounting kit (2x wall mounting screw, 2x wall plug, 3x adhesive pad). Compatible with tado° X series only.
  99.90 €
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Order Code: Tado24007
4.2 29×
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TESLA Smart Sensor Smoke
Smoke Detector - battery-powered , detection reach 50 m, acoustic, visual signals, notifications via push notifications, battery indication, features: reset, cover material plastic, operating temperature from -10 to 55 °C, operating humidity from 0 %, ingress protection IP20, input voltage 3V, mounting kit included, compatible with Tuya, Smartlife and Tesla Smart, requires a central hub, app language options: Czech and English , compatible with Android and iOS
  38.90 €
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Order Code: Tsl_22_31
4.3
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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.
  205.90 €
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Order Code: Air22TNG3
4.4 30×
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SwitchBot Thermometer & Hygrometer
Sensor - temperature and humidity, senses 24 hours a day, Wi-Fi, Bluetooth, range: 120 m, colour: white
  12.90 €
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Order Code: SwBot21_03
4.5 10×
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SwitchBot Motion Sensor
Motion Sesnor , connect through WiFi 2,4 GHz, open system with detection motion, range: security, power supply: Battery-Powered,
  17.90 €
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Order Code: SwBot21_12
4.0 33×
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IMMAX NEO LITE Smart pool temperature sensor + 2x indoor temperature and humidity sensor
Temperature Sensor - TUYA, 2.4GHz WiFi connection, indoor and outdoor unit, monitoring the current pool water temperature, indoor temperature and humidity, date and time controlled from the internet with manual settings, alarm clock with snooze option, viewing the measured values in Immax NEO PRO, iOS compatible, Android, supports Apple Siri shortcuts, TUYA and LIDL systems
  48.90 €
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Order Code: IMMX25001
4.2 20×
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Netatmo Smart Carbon Monoxide Alarm
Gas Leak Detector - battery-powered, notifications via push notifications, signal volume 85 dB, battery indication, cover material plastic, compatible with Apple Home, standalone unit, app language options: Czech and English , compatible with Android, Windows and iOS
  113.90 €
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In stock 3 pcs
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Order Code: NetA_21_01
4.4 67×
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EVOLVEO Defender D5
Gas Leak Detector - detects CO (carbon monoxide), battery-powered, acoustic, visual signals, signal volume 85 dB, battery indication and display, features test button and self-diagnostics, mounting kit included, standalone unit
  35.90 €
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Order Code: RY211
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Ubiquiti UniFi SuperLink Entry
Door and Window Sensor - wireless, compatible with Manufacturer app, connect via Radio frequency, protection against sabotage, range of 2000m, central unit required, supported OS: Android, application in English
Amazing Deal 39.90 €
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In stock 3 pcs
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Order Code: Ubiq26355
4.8 38×
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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
  18.90 €
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In stock 4 pcs
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Order Code: TP23_001
4.0 40×
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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
  15.90 €
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In stock > 10 pcs
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Order Code: Xi21_01
5.0
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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
  36.90 €
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In stock > 5 pcs
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Order Code: Shell25034
In the category Smart Home Sensors & Detectors on Alza.at, we currently have a total of 347 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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