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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.

329 Results
4.6 40×
Airthings View Plus - complete air quality monitor
Air Quality Meter - detects temperature, humidity, air pressure, TVOC (volatile organic compounds), radon, CO₂ (carbon dioxide), dust particles, mains + battery-powered, visual signals, notifications via push notifications, battery indication and display, features: memory, power cable and battery included, standalone unit requires a central hub, app language: English, compatible with Android and iOS
Amazing Deal 475.90 €
Buy
In stock > 5 pcs
Order Code: Air22TNG1
4.5 52×
AQARA Water Leak Sensor T1
Water Leak Detector - detects water gas, battery-powered, compatible with Apple Home, Google Home, Samsung SmartThings, IFTTT and Aqara Home, connect via Bluetooth, battery indication, central unit required to function,, app with Czech language support, app with Czech and English language support for Android and iOS
20.99 €
Buy
In stock > 10 pcs
Order Code: Aqara23_005
4.8 19×
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, receiver power supply AC 230V~50Hz, sensor 3 x AAA alkaline batteries or external USB charger 5V DC (not included)
16.90 €
Buy
In stock > 5 pcs
Order Code: Solight23_17
4.5 53×
SONOFF Zigbee Temperature and Humidity Sensor
Sensor - senses the temperature and humidity in the room, support for smart scenes, can be fixed to the wall with 3M tape or screw, ZigBee 3.0 protocol, requires a ZigBee Hub, compatible with Amazon Alexa and Google Home, runs on a CR2477 battery, mobile applications
12.90 €
Buy
In stock > 10 pcs
Order Code: Sonoff23_03
4.9 13×
Eufy Entry Sensor
Door and Window Sensor - magnetic on the door/window, checking that the door is closed, fully compatible with Eufy Security devices, battery in the package - last 2 years, apps on your smart device, iOS/Android, the product requires a central unit
26.90 €
Buy
In stock > 5 pcs
Order Code: EUF01c
4.6 33×
TESLA Smart Sensor Siren
Siren - open system, area of use: security, OS supported: Android and iOS, compatible with Tuya, Smartlife and Tesla Smart, power supply: Power plug and Battery-Powered, in Czech and English
25.90 €
Buy
In stock 4 pcs
Order Code: Tsl_22_32
4.8 17×
SONOFF SNZB-04P Zigbee Door/Window Sensor
Door and Window Sensor - wireless, compatible with Samsung SmartThings, IFTTT and eWeLink, range of 30m, central unit required, supported OS: Android and iOS, application in Czech, application in Czech and English
16.90 €
Currently Unavailable
Order Code: SNFa104
4.9 14×
Honeywell Home R200S-2 Fire detector alarm - smoke sensor (optical principle), battery operated
Smoke Detector - temperature measurement to 70 °C, battery-powered , acoustic signals, signal volume 85 dB, features: test button and alarm, cover material plastic, operating temperature to 40 °C, operating humidity from 25 to 93 %, input voltage 3V, battery included, standalone unit
Discounted -8 % 22.90 € 24.90 €
Buy
In stock > 5 pcs
Order Code: HNW22_04
4.7 23×
EVOLVEO wireless PIR motion sensor for Alarmex/Sonix with tamper protection
Motion Sesnor , closed system with detection motion, range: security, power supply: Battery-Powered,
from  19.24 €
Buy
In stock 1 pcs
Order Code: RY203g
4.5 35×
AQARA Cube T1 Pro
Smart Wireless Remote Zigbee scene controller
22.99 €
Buy
In stock 5 pcs
Order Code: Aqa22_10
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
Discounted -6 % 27.90 € 29.90 €
Buy
In stock > 5 pcs
Order Code: RY211
4.9 13×
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
153.90 €
Buy
In stock 3 pcs
Order Code: Air21TNG4
4.9 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
34.90 €
Buy
On the way > 5 pcs
Expected 31/07/2026
Order Code: SwBot2410
4.6 22×
SONOFF SNZB-03P Zigbee Motion Sensor
Motion Sesnor , open system with detection motion compatible with Samsung SmartThings, IFTTT and eWeLink, range: lighting, application in English and Czech, power supply: Battery-Powered,
Amazing Deal 12.90 €
Buy
In stock > 10 pcs
Order Code: SNFa101
4.7 17×
TESLA Smart Gas Sensor
Gas Leak Detector - mains power supply, detection reach 50 m, acoustic, visual signals, notifications via push notifications, features reset, cover material plastic, operating temperature from 0 to 55 °C,, ingress protection IP20, input voltage 12 V, power adapter and mounting kit included, compatible with Tuya, Smartlife and Tesla Smart, requires a central hub, app language options: Czech and English , compatible with Android and iOS
23.90 €
Buy
In stock > 5 pcs
Order Code: Tsl_22_30
4.6 20×
Shelly Gen3 H&T, battery operated temperature and humidity sensor with display, WiFi, white
Detector - Battery operated temperature and humidity sensor with display, WiFi, white
32.90 €
Buy
In stock > 5 pcs
Order Code: Shell24_010
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
4.6 20×
Shelly Gen3 H&T, battery operated temperature and humidity sensor with display, WiFi, black
Detector - dimensions without stand 70 x 70 x 26 mm, with stand 70 x 70 x 45 mm, ambient temperature 0 °C to 40 °C, humidity between 30% and 70% relative humidity, 4 AA (LR6) 1.5 V batteries (batteries not included), USB Type-C power supply (cable not included)
34.90 €
Buy
In stock > 5 pcs
Order Code: Shell24_008
4.9 11×
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 €
Buy
In stock > 5 pcs
Order Code: SNFa116
4.9 11×
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
On the way > 5 pcs
Expected 30/09/2026
Order Code: SNFa117
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 > 5 pcs
Order Code: Solight23_18
4.7 17×
iGET SECURITY EP5 - remote control (key fob) for iGET M5-4G alarm
Wireless Controller Remote control for basic control, for iGET SECURITY M5 alarm. The following settings can be made using the rotary pushbutton: activation, deactivation, home mode, SOS. It contains one freely adjustable button on the underside.
16.90 €
Buy
In stock > 5 pcs
Order Code: iGt21023
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
37.90 €
Buy
In stock > 5 pcs
Order Code: IMMX_22_30
4.5 26×
Nuki door sensor white
Door and Window Sensor - wireless, compatible with Apple Home, connect via Bluetooth, central unit required, supported OS: iOS, application in English
56.90 €
Buy
In stock > 5 pcs
Order Code: Nuki22_03
 
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