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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393 Results
Homematic IP Water Stop and Supply Unit - Water Leak Detector Free delivery
Alzaboxes and stores
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Homematic IP Water Stop and Supply Unit
Water Leak Detector - detects Water gas, mains and battery power, compatible with Homematic IP, connection via radio waves, central unit required to function,, app with Czech language support, app with Czech and English language support for Android and iOS
  1,138.36 €
Currently Unavailable
Order Code: Home26012
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Homematic IP Smoke Detector Starter Set - HmIP-SK27
Smoke Detector - mains + battery-powered , acoustic signals, notifications via push notifications, signal volume 85 dB, battery indication, features: emergency lighting and alarm, cover material plastic, operating temperature from 5 to 35 °C, ingress protection IP20, input voltage 230 V, HUB and battery included, compatible with Homematic IP, requires a central hub, app language options: Czech and English , compatible with Android and iOS
  182.60 €
Currently Unavailable
Order Code: Home26013
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Nice CO-Control
Gas Leak Detector - CO (carbon monoxide) detection, measuring range from 0 to 450ppm, battery-powered, 40m range, acoustic and optical signalling, push notifications, 85dB volume, test button feature, self-diagnostics and alarm, plastic casing, operating temperature from 0 to 50°C, bracket and batteries included, communicates with the Yubii Home Center app, standalone unit requires a control unit to function
  136.90 €
Currently Unavailable
Order Code: Nice26020
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Nice temperature sensors to the head
Temperature Sensor
  39.90 €
Currently Unavailable
Order Code: Nice26021
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Nice Motion-Control FGMS-001
Motion Sesnor - indoor, PIR (passive infrared) sensor and accelerometer sensor, Z-Wave radio connection, compatible with Yubii Home Center app, battery-powered, works standalone and via control unit / bridge, 40m range, integrated daylight sensor, adjustable sensitivity, tamper protection, automated scenarios, installation height 2.4m, optical signalling, push notifications, open system, dimensions 5.85×5.6×5.6cm (H×W×D)
  83.90 €
Currently Unavailable
Order Code: Nice26015
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Nice window/door sensor, brown
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
  73.90 €
Currently Unavailable
Order Code: Nice26019
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Nice Smoke-Control FGSD-002
Smoke Detector - detects temperature, temperature measurement from -20 to 100 °C with accuracy 0,5 °C, battery-powered , detection reach 40 m, acoustic, visual signals, notifications via push notifications, signal volume 85 dB, adjustable sensitivity and protection against sabotage, features: test button, self-diagnostics and alarm, cover material plastic, operating temperature from 0 to 55 °C, operating humidity from 0 to 93 %, holder and battery included, compatible with Yubii Home Center, standalone unit requires a central hub
  96.90 €
Currently Unavailable
Order Code: Nice26016
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Nice Flood-Control FGFS-101
Water Leak Detector - detects temperature, Water and Angle gas, battery-powered, range: 40 m, compatible with Yubii Home Center, connection via radio waves, protection against sabotage, standalone functional unit, central unit required to function
  96.90 €
Currently Unavailable
Order Code: Nice26017
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EMOS PIR sensor (motion sensor) IP20, 1200 W, 360°, mounted
Motion Sesnor with detection motion, range: lighting, power supply: Power plug,
  10.54 €
Currently Unavailable
Order Code: EMOS26067
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EMOS GoSmart PIR sensor (motion sensor) IP20, 60°, ZigBee
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,
  19.48 €
Currently Unavailable
Order Code: EMOS26065
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EMOS GoSmart Wireless door/window sensor IP-2111Z, ZigBee
Door and Window Sensor - wireless, compatible with Tuya, Lidl Home, Smartlife and EMOS GoSmart, connect via WiFi 2,4 GHz, battery indication and protection against sabotage, central unit required, supported OS: Android and iOS, application in Czech, application in Czech and English
  13.38 €
Currently Unavailable
Order Code: EMOS26064
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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,
  217.61 €
Currently Unavailable
Order Code: AJAX26001
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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,
  217.61 €
Currently Unavailable
Order Code: AJAX26002
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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
  63.90 €
Currently Unavailable
Order Code: SAFEH26006
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SAFE Fire Guard, white
Sensor - wireless fire detector with groundbreaking dual-spectrum detection and SIC technology, It can operate in a SAFE system or completely autonomously. Battery powered for up to 36 months, The detector has high sensitivity, stable performance and maximum resistance to false alarms, colour white
  56.90 €
Currently Unavailable
Order Code: SAFEH26004
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AVATTO Zigbee Water Sensor
Sensor - ZigBee connection (ZigBee gateway required), compatible with Tuya/Smart Life, water leak detection (probe), in-app notifications (push notifications), local alarm, history of alarm records, smart automation/scenes (intelligent linkage), low consumption, power supply CR2032 (DC 3 V), battery life > 1 year, Low battery indication, 2.4 GHz transmission, operating temperature -10 to +55 °C, dimensions Ø 59,5 × 17 mm
Currently Unavailable
Order Code: AVT060a
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Nedis SmartLife Smart Smoke Detector Wi-Fi WIFIDS21WT
Smoke Detector - battery-powered , acoustic signals, signal volume 85 dB, cover material plastic, input voltage 3V, compatible with Smartlife, standalone unit, compatible with Android and iOS
  30.90 €
Currently Unavailable
Order Code: BEFlist0029
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Siemens Connected Home window/door switch SCH020ZB, ZigBee
Door and Window Sensor -, compatible with Google Home, connect via Radio frequency, battery indication, range of 14m, central unit required, supported OS: Android and iOS
  51.20 €
Currently Unavailable
Order Code: SimS25003
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Siemens Connected Home motion detector SCH010ZB, ZigBee
Motion Sesnor , connect through Radio frequency, closed system with detection animal and Human presence, range: security and home control, power supply: Battery-Powered,
  96.35 €
Currently Unavailable
Order Code: SimS25002
4.8 4×
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MOES Mini CO Detector, orange
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
  40.90 €
Currently Unavailable
Order Code: Moes2513
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Ajax GlassProtect (8EU) ASP white (38109)
Vibration Detector - detects vibration gas, battery-powered, compatible with Ajax and Manufacturer app, connection via radio waves, battery indication, adjustable sensitivity and protection against sabotage, central unit required to function,, app with Czech language support, app with Czech and English language support for Android and iOS
  69.54 €
Currently Unavailable
Order Code: AJAX25010
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Ajax FireProtect 2 SB (Heat/CO) (8EU) ASP white (63216) with built-in battery
Gas Leak Detector - detects CO (carbon monoxide), smoke, battery-powered, acoustic, visual signals, notifications via push notifications, signal volume 85 dB, battery indication and protection against sabotage, features reset and alarm, cover material plastic, operating temperature from 0 to 50 °C, operating humidity up to 80 %, ingress protection IP20, input voltage 6 V, mounting kit included, requires a central hub, app language options: Czech and English , compatible with Android and iOS
  122.88 €
Currently Unavailable
Order Code: AJAX25030
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Ajax MotionCam Outdoor (PhOD) Jeweller (8EU) ASP white (39293)
Motion Sesnor , connect through Radio frequency, closed system with detection motion and Human presence compatible with Ajax and Manufacturer app, range: security, application in English, Czech and Slovak, power supply: Battery-Powered,
  432.22 €
Currently Unavailable
Order Code: AJAX25013
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Ajax GlassProtect (8EU) ASP black
Vibration Detector - detects vibration gas, battery-powered, compatible with Ajax and Manufacturer app, connection via radio waves, battery indication, adjustable sensitivity and protection against sabotage, central unit required to function,, app with Czech language support, app with Czech and English language support for Android and iOS
  69.54 €
Currently Unavailable
Order Code: AJAX25009
In the category Smart Home Sensors & Detectors on Alza.at, we currently have a total of 393 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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