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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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588 Results
3.8 18×
Meross Smart Temperature and Humidity Sensor Kit MS100F+ MSH300
Sensor - temperature measurement in °C or °F, measurement of humidity in %, functionality only with Meross Hub (included), mobile apps, notifications, battery operation (CR2477), integrated solar panel for self-powering
-11 % off new 829,- New 939,-
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Unsealed - in stock 1 pcs
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Order Code: Mer24_09
4.1
FIBARO Flood Sensor
Water Leak Detector - detects temperature and water gas, battery-powered, connect via Bluetooth, standalone functional unit,, app with Czech language support, app with Czech and English language support for Android and iOS
-14 % off new 1,769,- New 2,059,-
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Unsealed - in stock 1 pcs
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Order Code: FIBR01c
4.0
Airthings Wave Enhance
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
-13 % off new 3,389,- New 3,899,-
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Order Code: Air24001
4.6 14×
QINGPING Bluetooth Alarm clock (Temperature & RH monitor) - blue
Alarm Clock - Digital, power supply: battery, features: date
Buy with code ALZADNY15 The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získejte slevu 15 % s kódem ALZADNY15. Klikněte a kód se uplatní automaticky. 373,-
-12 % off new 439,- New 499,-
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Unsealed - in stock 1 pcs
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Order Code: QGP003c
4.5 10×
Elektrobock LX118
Motion Sesnor with detection motion, range: electrical installation, power supply: Power plug,
-6 % off new 279,- New 299,-
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Unsealed - in stock 1 pcs
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Order Code: ELBOCK114
4.3
Shelly Blu window and door sensor, Bluetooth, black
Door and Window Sensor -, compatible with Samsung SmartThings, connect via Bluetooth, battery indication and deviation angle adjustment, separately functional unit, supported OS: Android, Windows and iOS, application in Czech, application in Czech and English
459,-
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Unsealed - in stock 1 pcs
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Order Code: Shell23_024
4.8
Netatmo Smart Door and Window Sensors
Door and Window Sensor - wireless, compatible with Apple Home and Manufacturer app, connect via Radio Frequency, central unit required, supported OS: Android and iOS, application in Czech, application in Czech and English
-45 % off new 1,429,- New 2,599,-
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Unsealed - in stock 2 pcs
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Order Code: NET050b
4.6 14×
QINGPING Bluetooth Alarm clock (Temperature & RH monitor) - green
Alarm Clock - Digital, power supply: battery, features: date
Buy with code ALZADNY15 The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získejte slevu 15 % s kódem ALZADNY15. Klikněte a kód se uplatní automaticky. 382,-
-10 % off new 449,- New 499,-
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Unsealed - in stock 1 pcs
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Order Code: QGP003b
4.7
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
Buy with code ALZADNY20 The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získejte slevu 20 % s kódem ALZADNY20. Klikněte a kód se uplatní automaticky. 559,-
-30 % off new 699,- New 999,-
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Unsealed - in stock 2 pcs
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Order Code: Mer2415
4.0
Honeywell Home R200H-N2 Interconnected fire alarm detector - temperature principle, battery operated
Temperature Sensor - interconnected fire detector, battery powered
Buy with code ALZADNY10 The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získejte slevu 10 % s kódem ALZADNY10. Klikněte a kód se uplatní automaticky. 674,-
-6 % off new 749,- New 799,-
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Unsealed - in stock 1 pcs
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Order Code: HNW22_03
4.6 16×
NEDIS WIFIRC10CBK
TV Remote Control - universal, compatible with set-top box, air conditioner, range 5 m, infra-red transmission technology, compatible app
-31 % off new 389,- New 569,-
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Unsealed - in stock 1 pcs
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Order Code: NESDV075a1
4.3
iGET SECURITY P1v2 - wireless PIR motion detector
Motion Sesnor accessories for iGET SECURITY M3B and M2B alarm system - Wireless PIR motion detector for monitoring movement in the room
-32 % off new 259,- New 385,-
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As good as new - in stock 2 pcs
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Order Code: iGt21010
3.8
BOT Smart gas detector WiFi GS5
Gas Leak Detector - mains power supply, detection reach 20 m, acoustic signals, notifications via push notifications, signal volume 70 dB, display, features alarm, cover material plastic, operating temperature from -10 to 55 °C, input voltage 230 V, compatible with Tuya and Smartlife, requires a central hub, app language options: Czech and English , compatible with Android and iOS
Buy with code ALZADNY10 The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získejte slevu 10 % s kódem ALZADNY10. Klikněte a kód se uplatní automaticky. 620,-
-12 % off new 689,- New 789,-
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Unsealed - in stock 2 pcs
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Info
Order Code: BOTdet008
5.0
Meross Smart Presence Sensor (Thread)
Sensor - mmWave occupancy sensor with micro motion detection, Matter over Thread, Local control without Wi-Fi, range up to 6 m, multi-zone detection, 360° swivel bracket, IP67, CR123A battery up to 3 years
Buy with code ALZADNY15 The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získejte slevu 15 % s kódem ALZADNY15. Klikněte a kód se uplatní automaticky. 722,-
-5 % off new 849,- New 899,-
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Unsealed - in stock 1 pcs
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Order Code: Mer2601
5.0
MOES Temperature and humidity probe, WiFi
Sensor Temperature and humidity sensor with LCD screen, Infrared induction switch for bright backlighting
Buy with code ALZADNY20 The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získejte slevu 20 % s kódem ALZADNY20. Klikněte a kód se uplatní automaticky. 455,-
-5 % off new 569,- New 599,-
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Unsealed - in stock 1 pcs
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Order Code: Moes2514
3.4
EVOLVEO WiFi DOOR, smart window/door detector
Door and Window Sensor - wireless, compatible with Smartlife, connect via WiFi 2,4 GHz, battery indication, separately functional unit, supported OS: Android and iOS, application in Czech, application in Czech and English
-5 % off new 189,- New 199,-
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Unsealed - in stock 1 pcs
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Order Code: EVO23_020
4.8 12×
Homematic IP Valve Adapter Oventrop
Module - Adapter for Oventrop valves for connection of Thermostatic Heads (HmIP-eTRV-x) and Valve Drive (HmIP-VDMOT) Homematic IP with standard M30 x 1,5 mm fitting
-50 % off new 92,- New 185,-
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As good as new - in stock 1 pcs
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Order Code: Home22_10
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,
-18 % off new 469,- New 579,-
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As good as new - in stock 1 pcs
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Order Code: EVO22_12
-5 % off new 179,- New 189,-
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Unsealed - in stock 1 pcs
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Order Code: EVO22_14
4.0
AVATTO Zigbee Smart Humidity & Temperature Sensor
Sensor -Zigbee temperature and humidity sensor, compatible with Tuya and ZigBee, Support for Alexa and Google Assistant voice control, clear LCD display, automation of ventilation, air conditioners and humidifiers, high accuracy ±1 °C / ±5 % RH, CR2430 battery power supply, table and wall mounting, white design
-28 % off new 429,- New 599,-
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Unsealed - in stock 1 pcs
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Order Code: AVT061a
5.0
BOT Smart sensor for windows and doors WiFi DW6
Door and Window Sensor - wireless, compatible with Tuya and Smartlife, connect via WiFi 2,4 GHz, range of 45m, separately functional unit, supported OS: Android and iOS, application in Czech, application in Czech and English
Buy with code ALZADNY10 The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získejte slevu 10 % s kódem ALZADNY10. Klikněte a kód se uplatní automaticky. 251,-
-6 % off new 279,- New 299,-
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Unsealed - in stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: BOTsen001
3.0
EVOLVEO Alarmex Pro (ACSALMIMS) wireless indoor siren
Siren - closed system, area of use: security, OS supported: Android and Windows, compatible with Manufacturer app, power supply: Power plug
-51 % off new 579,- New 1,189,-
Buy
Unsealed - in stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: EVO22_05
5.0
BOT Smart sensor for windows and doors WiFi DW6
Door and Window Sensor - wireless, compatible with Tuya and Smartlife, connect via WiFi 2,4 GHz, range of 45m, separately functional unit, supported OS: Android and iOS, application in Czech, application in Czech and English
Buy with code ALZADNY10 The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získejte slevu 10 % s kódem ALZADNY10. Klikněte a kód se uplatní automaticky. 224,-
-16 % off new 249,- New 299,-
Buy
As good as new - in stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: BOTsen001
5.0
BOT Smart gas detector WiFi GS4
Gas Leak Detector - mains power supply, detection reach 20 m, acoustic signals, notifications via push notifications, signal volume 90 dB, display, features alarm, cover material plastic, operating temperature to 55 °C, input voltage 230 V, compatible with Tuya and Smartlife, requires a central hub, app language options: Czech and English , compatible with Android and iOS
Buy with code ALZADNY10 The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získejte slevu 10 % s kódem ALZADNY10. Klikněte a kód se uplatní automaticky. 539,-
-17 % off new 599,- New 729,-
Buy
As good as new - in stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: BOTdet006
In the category Smart Home Sensors & Detectors on Alza.cz, we currently have a total of 589 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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