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Smart Home Sensors & Detectors reviews and tests

Alza Test Ranks Smart Home Sensors & Detectors Based on User Reviews and Other Data

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Smart Home Sensors & Detectors – Test Results

The result for smart home sensors & detectors at several price levels is:

What is the Alza Test?

Hundreds of categories, thousands of products, millions of details and user reviews for smart home sensors & detectors. How can you make sense of all of this? Try our Alza Test, which guarantees an objective selection based on customers' experiences. How the products from smart home sensors & detectors rank are based solely on various data and feedback from actual people who have purchased the products.

347 Results
5.0
Watch Price/Availability
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
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Shell25034
5.0
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Shelly DS18B20
Temperature Sensor - mains power supply, 3 m range, stand-alone unit
  7.49 €
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In stock 2 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Shell25030
5.0
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Tedee Door Sensor, white
Sensor - real-time door status detection, door status display in tedee app, long-open door alert, wireless operation, Bluetooth
  50.90 €
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In stock 2 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Tedee25005
5.0
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QINGPING CO2 & Temperature & RH Monitor
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
  73.90 €
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In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
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Order Code: QGP008a
5.0
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Airthings View Pollution - air quality monitor
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.
  171.90 €
Buy
In stock 1 pcs
Order Code: Air22TNG2
5.0
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GARNI 092H wireless sensor
Sensor Eight-channel wireless sensor for measuring temperature and relative humidity, designed for the GARNI 3055 Arcus Wi-Fi weather station.
  36.90 €
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In stock 3 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Garni22_04
5.0
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SONOFF SenseGuard Series SenseGuard DW Gen2 Zigbee Door/Window Sensor
Door and Window Sensor - wireless, compatible with eWeLink, connect via Radio frequency, range of 100m, central unit required, supported OS: Android and iOS
  14.90 €
Buy
On the way > 5 pcs
Expected 06/10/2026
Order Code: SNF2623
5.0
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EVOLVEO Alarmex Pro (ACSALMSMK) wireless smoke detector
Smoke Detector - mains power supply, detection reach 80 m, acoustic signals, signal volume 90 dB, features: test button, cover material plastic, operating temperature from 0 to 55 °C, input voltage 9 V, standalone unit requires a central hub
  28.90 €
Buy
Ordered on request
Order Code: EVO22_08
5.0
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Meross Smart Smoke Alarm - set 3x MA151 + 1x MSH450 Matter hub
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
  117.90 €
Currently Unavailable
Order Code: Mer2519
5.0
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EVOLVEO SecuPro wireless window/door detector
Door and Window Sensor - wireless, compatible with Tuya, connect via WiFi 2,4 GHz and WiFi 5 GHz, battery indication, central unit required, supported OS: Android and iOS, application in Czech, application in Czech and English
  12.28 €
Currently Unavailable
Order Code: EVO24007
5.0
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EVOLVEO SecuPro wireless PIR motion sensor
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,
  20.48 €
Currently Unavailable
Order Code: EVO24008
5.0
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Honeywell adapter for HR90, HR92, HR30 to Herz and Comap M28x1,5 valves
Heating Set - adapter for installation of Honeywell thermostatic heads on Herz and Comap radiator valves with M28 × 1.5 thread (HR92, HR90, HR30)
  10.90 €
Currently Unavailable
Order Code: HN21Well20
3.8 11×
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iQtech Smartlife SS03 Zigbee Smoke sensor, Zigbee 3.0
Smoke Detector - battery-powered , detection reach 10 m, notifications via push notifications, battery indication, features: alarm, cover material plastic, compatible with Tuya and Smartlife, requires a central hub, app language options: Czech and English , compatible with Android and iOS
  32.90 €
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In stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: iQ21TECH144
4.0
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Airthings Wave plus, black - air quality, radon, humidity, temperature, VOC, CO2 and pressure sensor
Air Quality Meter - detects temperature, humidity, air pressure, TVOC (volatile organic compounds), radon, CO₂ (carbon dioxide), measurement range from 400 to 5000 ppm, deviation 30 ppm, temperature measurement with accuracy 1 °C, humidity measurement with accuracy 3 %, battery-powered, visual signals, notifications via push notifications, battery indication, cover material plastic, operating temperature from 4 to 40 °C, operating humidity to 85 %, battery and mounting kit included, standalone unit requires a central hub, app language: English, compatible with Android and iOS
  262.90 €
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In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Air23TNG1
3.8
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Meross Smart Temperature and Humidity Sensor MS130-EU
Sensor – Temperature sensor, humidity and light, Protocol Matter, Large 3.7" display, 4th generation Swiss sensors, Apple HomeKit support, Google Assistant, Alexa and SmartThings, two programmable buttons, 4× AA batteries with a lifetime of up to 3 years, data export up to 2 years back, ideal for the bedroom, cellar or greenhouse
  24.90 €
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In stock 2 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Mer2501
3.8
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iGET SECURITY P4v2 - wireless magnetic door/window detector for iGET SECURITY M3B and M2B
Door and Window Sensor -, compatible with iGet Home, connect via Radio frequency, range of 70m, central unit required, supported OS: Android and iOS, application in Czech, application in Czech and English
  14.90 €
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In stock 3 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: iGt21011
3.8
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Xiaomi Mi Motion Sensor 2S
Motion Sesnor , connect through Bluetooth, closed system with detection motion and Lights compatible with Xiaomi Home, range: lighting, security and home control, power supply: Battery-Powered,
  16.90 €
Currently Unavailable
Order Code: XI300l04
4.0
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SONOFF AirGuard CO2 Matter Over Wi-Fi Air Quality Monitor SAWF-08P
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
  65.90 €
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: SNF2611
4.0
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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
  152.90 €
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Air24001
4.0
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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
  24.90 €
Currently Unavailable
Order Code: AVT061a
3.7
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Meross Smart Water Leak Sensor
Sensor - water leak sensor, for a safe home, It works 24/7, powered by replaceable CR123A battery (lifetime 18 months), battery indicator, IP67 waterproof, alerts via the app, 60 dB alarm, Meross Hub central unit is required for sensor functionality
  24.90 €
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In stock 3 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Mer24_14
3.7
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Meross Smart Water Leak Sensor Kit
Sensor - water leak sensor, for a safe home, It works 24/7, powered by replaceable CR123A battery (lifetime 18 months), battery indicator, IP67 waterproof, alerts via the app, 60 dB alarm, Meross Hub central unit is required for sensor functionality
  23.90 €
Currently Unavailable
Order Code: Mer24_13
3.6 19×
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Meross Smart Temperature and Humidity Sensor MS100F
Sensor - temperature measurement in °C or °F, measurement of humidity in %, functionality only with the Meross Hub central unit, mobile apps, notifications, battery operation (CR2477), integrated solar panel for self-powering
  23.90 €
Currently Unavailable
Order Code: Mer24_10
3.6 14×
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Netatmo Smart AC Controller
Smart Wireless Remote to the air conditioning, smart, WiFi 2.4 GHz, iOS apps, Android, compatible with Apple HomeKit, Google Home, Amazon Alexa
  99.90 €
Buy
In stock 2 pcs
Order Code: Neta23_01
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