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Alza Test Ranks Detectors Based on User Reviews and Other Data

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Detectors – Test Results

The result for detectors at several price levels is:

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Hundreds of categories, thousands of products, millions of details and user reviews for 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 detectors rank are based solely on various data and feedback from actual people who have purchased the products.

EVOLVEO Alarmex Pro ( ACSALMOUS) wireless outdoor light and sound siren - Siren

EVOLVEO Alarmex Pro ( ACSALMOUS) wireless outdoor light and sound siren

Siren - closed system, area of use: security, OS supported: Android and iOS, compatible with Manufacturer app, power supply: Power plug, in Czech and English

Added to cart

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Smoot Air PIR - Motion Sesnor

In stock 3 pcs at the supplier's

Motion Sesnor , connect through WiFi 2,4 GHz, open system with detection motion compatible with Apple Siri shortcuts and Tuya, range: lighting and security, application in Czech,...

Added to cart

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Elektrobock IR21-R - Motion Sesnor

Elektrobock IR21-R

Motion Sesnor , closed system with detection motion, range: lighting, power supply: Power plug,

Added to cart

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EVOLVEO Alarmex Pro (ACSALMPIRP) wireless PIR motion sensor with immunity to small animal movement - Motion Sesnor

EVOLVEO Alarmex Pro (ACSALMPIRP) wireless PIR motion sensor with immunity to small animal movement

Motion Sesnor , connect through WiFi 2,4 GHz and GSM, closed system with detection motion compatible with Tuya, range: security, power supply: Battery-Powered,

Added to cart

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Smoot Air Motion - Motion Sesnor

Smoot Air Motion

In stock 4 pcs at the supplier's

Motion Sesnor , connect through WiFi 2,4 GHz, open system with detection motion compatible with Apple Siri shortcuts and Tuya, range: lighting and security, application in Czech,...

Added to cart

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Sonoff MS01 Smart Soil Moisture Sensor - Sensor

Sonoff MS01 Smart Soil Moisture Sensor

On the way > 5 pcs

Expected 06/10/2026

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,...

Added to cart

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Tellur WiFi Smart Motion Sensor, PIR, White - Motion Sesnor

Tellur WiFi Smart Motion Sensor, PIR, White

In stock > 5 pcs at the supplier's

Motion Sesnor , connect through WiFi 2,4 GHz, open system with detection motion compatible with Manufacturer app, range: security, application in English, power supply:...

Added to cart

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Emos GS536 - Smoke Detector

7.99 € New 8.89 €

Unsealed - in stock 1 pcs

Smoke Detector - battery-powered , acoustic, visual signals, signal volume 85 dB, operating temperature from 0 to 40 °C, operating humidity from 5 to 95 %, battery included,...

Added to cart

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TP-Link Tapo S200D - Dimmers

TP-Link Tapo S200D

20.90 € New 23.90 €

Unsealed - in stock 1 pcs

Dimmers - button to control the intelligent lighting, adjustable actions, multiple light control, can be fixed with screws, with double-sided tape or on any metal surface, battery...

Added to cart

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AQARA Water Leak Sensor T1 - Water Leak Detector

AQARA Water Leak Sensor T1

17.90 € New 20.99 €

Unsealed - in stock 1 pcs

Add AlzaPlus+ and save instantly 16.11 €

Water Leak Detector - detects water gas, battery-powered, compatible with Apple Home, Google Home, Samsung SmartThings, IFTTT and Aqara Home, connect via Bluetooth, battery...

Added to cart

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Airthings View Plus - complete air quality monitor - Air Quality Meter

Airthings View Plus - complete air quality monitor

300.90 € New 306.90 €

Unsealed - in stock 4 pcs

Air Quality Meter - detects temperature, humidity, air pressure, TVOC (volatile organic compounds), radon, CO₂ (carbon dioxide), dust particles, mains + battery-powered, visual...

Added to cart

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Airthings View Plus - complete air quality monitor - Air Quality Meter

Airthings View Plus - complete air quality monitor

269.90 € New 306.90 €

As good as new - in stock 1 pcs

Air Quality Meter - detects temperature, humidity, air pressure, TVOC (volatile organic compounds), radon, CO₂ (carbon dioxide), dust particles, mains + battery-powered, visual...

Added to cart

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FIBARO Motion Sensor - Motion Sesnor

FIBARO Motion Sensor

65.90 € New 76.90 €

Unsealed - in stock 1 pcs

Motion Sesnor , connect through WiFi 2,4 GHz and Bluetooth with detection motion, Lights and temperature, range: security, application in English, Czech, German and Slovak, power...

Added to cart

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Combined Detector of CO, Flammable and Explosive Gases SAFE 808COM - Gas Leak Detector

Combined Detector of CO, Flammable and Explosive Gases SAFE 808COM

46.90 € New 51.90 €

Unsealed - in stock 1 pcs

Gas Leak Detector - detects CO (carbon monoxide), natural gas, propane-butane, measurement range to 2500 ppm, mains power supply, reaction time 20 s, acoustic, visual signals,...

Added to cart

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Combined Detector of CO, Flammable and Explosive Gases SAFE 808COM - Gas Leak Detector

Combined Detector of CO, Flammable and Explosive Gases SAFE 808COM

45.90 € New 51.90 €

As good as new - in stock 1 pcs

Gas Leak Detector - detects CO (carbon monoxide), natural gas, propane-butane, measurement range to 2500 ppm, mains power supply, reaction time 20 s, acoustic, visual signals,...

Added to cart

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Airbi CO2AIR digital carbon dioxide meter - Detector

Airbi CO2AIR digital carbon dioxide meter

Unsealed - in stock 2 pcs

Detector - CO₂ (carbon dioxide) detection, measurement range from 400 to 2400 ppm, mains + battery power, reaction time 6 s, display, independently functional unit

Added to cart

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AQARA Presence Sensor FP2 - Motion Sesnor

AQARA Presence Sensor FP2

76.90 € New 82.99 €

Unsealed - in stock 2 pcs

Add AlzaPlus+ and save instantly 69.21 €

Motion Sesnor , connect through WiFi 2,4 GHz and Bluetooth, closed system with detection motion and Lights compatible with Apple Home, Google Home, IFTTT and Aqara Home, range:...

Added to cart

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Airthings Wave plus - air quality, radon, humidity, temperature, VOC, CO2 and pressure sensor - Air Quality Meter

Airthings Wave plus - air quality, radon, humidity, temperature, VOC, CO2 and pressure sensor

220.90 € New 234.90 €

Unsealed - in stock 1 pcs

Add AlzaPlus+ and save instantly 176.72 €

Air Quality Meter - detects temperature, humidity, air pressure, TVOC (volatile organic compounds), radon, CO₂ (carbon dioxide), measurement range from 400 to 5000 ppm, deviation...

Added to cart

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Meross Smart Presence Sensor - Sensor

Meross Smart Presence Sensor

37.90 € New 41.90 €

Unsealed - in stock 1 pcs

Add AlzaPlus+ and save instantly 30.32 €

Sensor - dual detection technology, accurate presence detection even without motion, range up to 12 m, intelligent lighting automation, minimising false alarms, HomeKit...

Added to cart

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Eve Door & Window (Matter - compatible with Apple, Google, SmartThings & Amazon Alexa) - Door and Window Sensor

Eve Door & Window (Matter - compatible with Apple, Google, SmartThings & Amazon Alexa)

52.90 € New 57.90 €

Unsealed - in stock 1 pcs

Add AlzaPlus+ and save instantly 42.32 €

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,...

Added to cart

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MOES Gas Leakage Detector, Zigbee - Gas Leak Detector

MOES Gas Leakage Detector, Zigbee

28.90 € New 29.90 €

Unsealed - in stock 1 pcs

Gas Leak Detector - detects natural gas, mains power supply, acoustic signals, notifications via push notifications, signal volume 70 dB, battery indication, features alarm, cover...

Added to cart

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Airthings Wave mini - air quality, humidity, temperature and air chemicals sensor - Air Quality Meter

Airthings Wave mini - air quality, humidity, temperature and air chemicals sensor

73.90 € New 85.97 €

Unsealed - in stock 2 pcs

Air Quality Meter - detects temperature, humidity, TVOC (volatile organic compounds), temperature measurement with accuracy 1 °C, humidity measurement with accuracy 3 %,...

Added to cart

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EVOLVEO wireless outdoor siren for Alarmex / Sonix - Siren

EVOLVEO wireless outdoor siren for Alarmex / Sonix

77.90 € New 81.90 €

Unsealed - in stock 1 pcs

Siren - closed system, area of use: security, power supply: Power plug

Added to cart

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AQARA Motion and Light Sensor P2 - Motion Sesnor

AQARA Motion and Light Sensor P2

30.90 € New 34.99 €

Unsealed - in stock 1 pcs

Add AlzaPlus+ and save instantly 27.81 €

Motion Sesnor , connect through Bluetooth, open system with detection motion and Lights compatible with Apple Home and Aqara Home, range: lighting and security, application in...

Added to cart

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No longer sold

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