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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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333 Results
4.5
Niceboy ION ORBIS Water Sensor
Water Leak Detector - detects water gas,, compatible with Niceboy ION, battery indication, central unit required to function,, app with Czech language support, app with Czech and English language support for Android and iOS
20.90 €
Buy
In stock 2 pcs
Order Code: NCB23_008
5.0
Govee Thermometer and hygrometer with display, Bluetooth
Sensor - smart temperature and humidity sensor with display, BT connectivity, min max values in 20 days, export data for up to two years, 2x AA batteries, Connectivity with Govee Home, update values every 2 seconds, custom notifications when set values are exceeded
19.90 €
Buy
In stock > 10 pcs
Order Code: Govee26001
5.0
Eufy Security Water and Freeze Sensor
Water Leak Detector - detects water gas, battery-powered, range: 200 m, compatible with Google Home and Manufacturer app, connect via WiFi 2,4 GHz, central unit required to function, app with English language support for Android and iOS
Discounted -15 % 35.40 € 41.90 €
Buy
In stock
Order Code: Anker24014
4.8 27×
TESLA Smart Water Sensor
Water Leak Detector - detects water gas, battery-powered, range: 50 m, compatible with Tuya, Smartlife and Tesla Smart, connection via radio waves, battery indication, central unit required to function,, app with Czech language support, app with Czech and English language support for Android and iOS
Discounted -9 % 25.23 € 27.90 €
Buy
In stock
Order Code: Tsl_22_29
AQARA Multi-State Sensor P100 Kit (VB-S03DW), white
Vibration Detector - detects Opening windows and doors, vibration and Angle gas, battery-powered, compatible with Apple Home, Google Home and Aqara Home, connection via radio waves, adjustable sensitivity, central unit required to function,, app with Czech language support, app with Czech and English language support for Android and iOS
29.90 €
Buy
In stock > 5 pcs
Order Code: Aqara26002
4.7
EZVIZ T3C smart button
Smart Wireless Switch - compatible with EZVIZ, control via app on Android and iOS,connect via , application in Czech and English
24.90 €
Buy
In stock > 10 pcs
Order Code: EZVIZ23_03
4.3
iGET SECURITY EP24 - indoor siren, battery or microUSB power supply for iGET M5-4G alarm
Siren - closed system, area of use: security, OS supported: Android and iOS, power supply: Power plug and Battery-Powered, in Czech and English
40.90 €
Buy
In stock 2 pcs
Order Code: iGt21026
Eufy Security Siren
Siren - closed system, area of use: security, OS supported: Android and iOS, compatible with Manufacturer app, power supply: Battery-Powered, in English
Discounted -15 % 35.40 € 41.90 €
Buy
In stock
Order Code: Anker24015
2.5
Sonoff MS01 Smart Soil Moisture Sensor
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
Discounted -26 % 14.72 € 19.90 €
Buy
In stock
Order Code: SNFa058
4.6 14×
QINGPING Bluetooth Alarm clock (Temperature & RH monitor) - beige
Alarm Clock - Digital, power supply: battery
Discounted -10 % 16.92 € 18.90 €
Buy
In stock
Order Code: QGP003a
4.3 10×
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
Discounted -27 % 41.90 € 57.90 €
Buy
In stock > 5 pcs
Order Code: Eve23_02
4.4 67×
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
28.90 €
Buy
In stock > 5 pcs
Order Code: RY211
4.4
EVOLVEO wireless water level detector for Alarmex/Sonix
Water Leak Detector - detects water gas, battery-powered, central unit required to function
Discounted -5 % 18.90 € 19.90 €
Buy
In stock 3 pcs
Order Code: RY202f
MOES Vibration Sensor, Zigbee
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
Discounted -20 % 15.12 € 18.90 €
Buy
In stock
Order Code: Moes2504
4.6 20×
Shelly Gen3 H&T, battery operated temperature and humidity sensor with display, WiFi, ivory
Detector - battery operated temperature and humidity sensor with display, WiFi, ivory
34.90 €
Buy
In stock 2 pcs
Order Code: Shell24_011
4.7
JOY-It JT-PS360-C laboratory power supply
Module - ultra-compact, voltage 0 - 60 V, current 0 - 6 A, power 360 W
138.90 €
Buy
In stock > 5 pcs
Order Code: JOYit24_006
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
69.90 €
Buy
In stock > 5 pcs
Order Code: m23_01
4.5 11×
iGET HOME XP1B - wireless PIR motion sensor for iGET HOME X1 and X5 alarm
Motion Sesnor with detection motion, range: security, power supply: Battery-Powered,
10.90 €
Buy
In stock > 5 pcs
Order Code: iGET23_013
3.5
EVOLVEO Alarmex Pro (ACSALMPIR) wireless PIR motion sensor
Motion Sesnor , connect through GSM, closed system with detection motion, range: security, power supply: Battery-Powered,
23.90 €
Buy
In stock > 10 pcs
Order Code: EVO22_12
4.1 94×
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)
Discounted -7 % 20.32 € 21.90 €
Buy
In stock
Order Code: Tsl_22_28
4.0
Honeywell Home R200H-N2 Interconnected fire alarm detector - temperature principle, battery operated
Temperature Sensor - interconnected fire detector, battery powered
32.90 €
Buy
In stock 5 pcs
Order Code: HNW22_03
3.8
iGET SECURITY P9 - wireless water level detector for iGET SECURITY M3B and M2B
Water Leak Detector - detects water gas, battery-powered, range: 80 m, connect via GSM, battery indication, central unit required to function
6.49 €
Buy
In stock 3 pcs
Order Code: NU105r
4.4 27×
IMMAX NEO Smart temperature and humidity sensor, Zigbee 3.0
Sensor - Zigbee 3.0, Immax NEO PRO app in Czech and 60 other languages compatible with iOS, Android, with Amazon Alexa voice assistants, Apple Siri Shortcuts, Google Assistant and TUYA systems, LIDL, power supply by CR2032 battery
20.90 €
Buy
In stock > 10 pcs
Order Code: IMXX2344
4.9 12×
Solight Wireless motion detector/gong
Detector volume 65 - 80 dB(A), signal range max. 40m without obstacles, operational range of motion detection 0-8m, angle of view 15° vertically, angle of view 100° horizontally, 36 adjustable melodies, 3D rotatable sensor stand, wall mounting holes, power supply 3 x AA alkaline batteries (not included), sensor 3 x AAA alkaline batteries or external USB charger 5V DC (not included)
16.90 €
Buy
In stock > 10 pcs
Order Code: Solight23_18
In the category Smart Home Sensors & Detectors on Alza.de, we currently have a total of 333 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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