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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.

344 Results
4.8 13×
SwitchBot Meter Pro
Sensor - temperature detection, humidity, temperature measurement from 0 to 50 °C with an accuracy of 0.5 °C, moisture measurement with 3% accuracy, battery power, notifications via push notifications, battery status indication, cover material plastic, operating temperature from 0 to 50 °C,, central unit required for functionality, applications in Czech and English, compatible with Android and iOS
29.90 €
Buy
In stock 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: SwBot2410
4.5 25×
SONOFF Zigbee Human Presence Sensor
Sensor - for motion detection, functionality based on 5.8 GHz microwave radar, three levels of sensitivity, detection distance up to 4 m, compatible with smart bulbs, Smart Switch and smart LED strips, possibility of fixing the base to the wall with 3M tape or screws, the sensor is fixed magnetically, USB-C power, ZigBee Hub central unit needed, Amazon Alexa support, Google Home, Smartthings, Alice and IFTTT
16.90 €
Currently Unavailable
Order Code: Sonoff23_07
4.5 26×
IMMAX NEO 3x Smart magnetic sensor for doors and windows, Zigbee 3.0
Detector - Smart magnetic sensor for windows and doors to secure your home, ZigBee 3.0, three pieces in the package, CR2032 battery, 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
39.90 €
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: IMMX_22_30
4.7 16×
FIBARO Motion Sensor
Motion Sensor - for alarm, Interior, battery powered, input voltage: 3V, reach of 7m, connection via WiFi 2,4 GHz and Bluetooth, independently functional unit, application in Czech, applications in Czech and English for Android and iOS
69.90 €
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: FIBR01b
4.4 47×
AQARA Door and Window Sensor P2
Door and Window Sensor - wireless, compatible with Apple Home, Google Home, Samsung SmartThings and Aqara Home, connect via Bluetooth, battery indication, central unit required, supported OS: Android and iOS, application in Czech, application in Czech and English
27.90 €
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: AqRAA_0018
4.9 10×
SONOFF IP65 Zigbee LCD Smart Thermometer (Probe Version) SNZB-02LD
Digital Thermometer – IP65 waterproof design with 1.5m probe, temperature measurement even in liquids and confined spaces, 2.2″ LCD display, accuracy ±0.2 °C, measurement history up to 180 days, smart scenes and notifications, compatible with voice assistants, Zigbee 3.0 compatible
31.90 €
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: SNFa117
4.9 10×
Eve Motion (Matter - compatible with Apple, Google, SmartThings & Amazon Alexa)
Motion Sesnor , connect through Bluetooth, closed system with detection motion and Light compatible with Apple Home, Google Home and Samsung SmartThings, range: lighting, security and home control, application in English and German, power supply: Battery-Powered,
Buy with code ALZADAYS20AT The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Erhalten Sie 20 % Rabatt mit dem Code ALZADAYS20AT. Das Angebot gilt bis zum 15. September 2025 oder solange der Vorrat reicht und ist nur für Endverbraucher bestimmt. 39.12 €
48.90 €
On the way 1 pcs
Expected 20/04/2026
Order Code: Eve23_03
4.9 10×
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 €
Currently Unavailable
Order Code: SNFa116
4.8 11×
Airthings Corentium Home (224 B/m3) - digital radon detector
Air Quality Meter - detects radon, battery-powered, display, features: memory, cover material plastic, operating temperature from 4 to 40 °C, battery included, standalone unit
154.90 €
Buy
In stock 4 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Air21TNG4
4.7 13×
FIBARO Smoke Sensor
Smoke Detector - detects temperature, temperature measurement from -20 to 100 °C, battery-powered , acoustic, visual signals, signal volume 85 dB, battery indication, features: alarm, operating temperature from 0 to 55 °C, operating humidity from 0 to 93 %, battery included, standalone unit requires a central hub, app language options: Czech and English
77.39 €
Buy
On the way 1 pcs
Expected 22/04/2026
Order Code: FIBR01f
4.5 20×
Xiaomi Temperature and Humidity Monitor 3 Mini
Sensor - temperature detection, humidity, functioning independently, CR2450 battery power supply, Xiaomi Home compatible apps, plastic material, Bluetooth connection, optical signalling, installation by gluing
Great price 10.90 €
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: XIA25001
4.4 46×
Netatmo Smart Smoke Alarm
Smoke Detector - acoustic signals, notifications via push notifications, signal volume 85 dB, battery indication, features: alarm, cover material plastic, holder and mounting kit included, standalone unit, app language options: Czech and English , compatible with Android and iOS
146.59 €
Currently Unavailable
Order Code: NET007f
4.4 30×
SwitchBot Thermometer & Hygrometer
Sensor - temperature and humidity, senses 24 hours a day, Wi-Fi, Bluetooth, range: 120 m, colour: white
16.90 €
Currently Unavailable
Order Code: SwBot21_03
5.0
EVOLVEO mini siren for Alarmex/Sonix
Siren - closed system, area of use: security
from  11.31 €
Currently Unavailable
Order Code: RY202r
4.9
iGET SECURITY EP14 - wireless smoke sensor for iGET M5-4G alarm
Detector Smoke sensor for iGET SECURITY M5 alarm. It works independently and also as an accessory for the iGET SECURITY M5 alarm. It complies with the provisions incl. EN14604:2005. Optical smoke detection, unobtrusive design. Protection against sabotage, highest transmission security 256bit, Long battery life up to 3 years, the alarm constantly monitors the activity of this sensor, also a signal, battery percentage and more.
33.90 €
Buy
In stock 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: iGt21019
4.8 10×
Philips Hue Contact sensor Black
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, black
38.90 €
Buy
In stock 2 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: PHLS23014
4.6 14×
iGET SECURITY P14 - wireless smoke detector for iGET SECURITY M3B and M2B
Smoke Detector - battery-powered , reaction time 1 s, acoustic, visual signals, notifications via SMS, signal volume 85 dB, features: test button, cover material plastic, operating temperature from 5 to 50 °C, operating humidity from 20 to 90 %, compatible with iGet Home, standalone unit
19.90 €
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: NU105z
4.6 14×
QINGPING Bluetooth Alarm clock (Temperature & RH monitor) - blue
Alarm Clock - Digital, power supply: battery, features: date
19.90 €
Currently Unavailable
Order Code: QGP003c
4.6 14×
QINGPING Bluetooth Alarm clock (Temperature & RH monitor) - green
Alarm Clock - Digital, power supply: battery, features: date
19.90 €
Currently Unavailable
Order Code: QGP003b
4.6 14×
QINGPING Bluetooth Alarm clock (Temperature & RH monitor) - beige
Alarm Clock - Digital, power supply: battery
19.90 €
Currently Unavailable
Order Code: QGP003a
4.4 28×
EVOLVEO wireless PIR sensor with animal motion detection for Alarmex/Sonix
Motion Sensor - for alarm, Interior, battery powered, input voltage: 9 V, reach of 12m, connection via radio waves, independently functional unit
from  24.05 €
Buy
Ordered on request
Order Code: RY202b1
4.4 28×
Gosund Smart Window/Door Sensor, Zigbee
Door and Window Sensor - wireless, compatible with Tuya, Smartlife and Manufacturer app, connect via WiFi 2,4 GHz, separately functional unit, supported OS: Android and iOS, application in Czech, application in Czech and English
11.90 €
Currently Unavailable
Order Code: GoSnd31
4.4 28×
Gosund Smart Window/Door Sensor, WiFi
Door and Window Sensor - wireless, compatible with Tuya and Smartlife, connect via WiFi 2,4 GHz, battery indication, separately functional unit, supported OS: Android and iOS, application in English
11.90 €
Currently Unavailable
Order Code: GoSnd21
4.3 44×
Xiaomi Mi Wireless Switch
Smart Wireless Switch - compatible with Xiaomi Home, control via app on Android, Windows and iOS, connect via WiFi 2,4 GHz, application in English
Great price 11.90 €
Buy
In stock 2 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: XI300l03

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