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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.

All detectors
All from 196
TP-Link Tapo T300, Smart water leak sensor - Water Leak Detector
TP-Link Tapo T300, Smart water leak sensor
Great price 16.90 €
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Water Leak Detector - detects Humidity and Water gas, battery-powered, sound level: 90dB, compatible with Google Home and Manufacturer app, connection via radio waves, central unit...
Added to cart
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Philips Hue Motion Sensor - Motion Sesnor
Philips Hue Motion Sensor
39.90 €
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Motion Sesnor , connect through Bluetooth, open system with detection motion compatible with Apple Home, range: lighting, application in English, Czech, German, Slovak and...
Added to cart
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TP-Link Tapo S200B, Smart button - Dimmers
TP-Link Tapo S200B, Smart button
16.90 €
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Dimmers for controlling lights, electronics and other Tapo smart devices, adjustable actions, battery operation (1× CR2032)
Added to cart
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Honeywell R200C-2, Carbon monoxide detector and detector, CO Alarm - Gas Leak Detector
Honeywell R200C-2, Carbon monoxide detector and detector, CO Alarm
44.90 €
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Gas Leak Detector - detects CO (carbon monoxide), smoke, measurement range from 3 to 330 ppm, gas detection sensitivity 28 ppm, battery-powered, acoustic signals, signal volume 85...
Added to cart
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TP-Link Tapo T100, Smart motion sensor - Motion Sesnor
TP-Link Tapo T100, Smart motion sensor
17.90 €
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Motion Sesnor , connect through Radio frequency, closed system with detection motion compatible with Samsung SmartThings, range: security, application in English, Czech, German and...
Added to cart
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AQARA Motion Sensor P1 (MS-S02) - Motion Sesnor
AQARA Motion Sensor P1 (MS-S02)
20.90 €
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Motion Sesnor , connect through Radio frequency, open system with detection motion and Lights compatible with Apple Home, IFTTT and Aqara Home, range: security, application in...
Added to cart
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TP-Link Tapo S200D - Dimmers
TP-Link Tapo S200D
18.90 €
Ordered on request
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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iGET SECURITY M3P1 - wireless PIR motion detector for iGET SECURITY M3 and M4 - Motion Sesnor
iGET SECURITY M3P1 - wireless PIR motion detector for iGET SECURITY M3 and M4
from  18.10 €
Currently Unavailable
Motion Sesnor , connect through Radio frequency, open system with detection motion, range: security, power supply: Battery-Powered,
View
Philips Hue Outdoor Motion Sensor - Motion Sesnor
Philips Hue Outdoor Motion Sensor
52.90 €
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Motion Sesnor , closed system with detection motion compatible with Apple Home and Philips Hue, power supply: Battery-Powered,
Added to cart
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TESLA Smart Water Sensor - Water Leak Detector
TESLA Smart Water Sensor
27.90 €
In stock 3 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Water Leak Detector - detects Water gas, battery-powered, range: 50 m, compatible with Tuya, Smartlife and Tesla Smart, connection via radio waves, battery indication, central unit...
Added to cart
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SONOFF SNZB-05P Zigbee Water Leak Sensor - Water Leak Detector
SONOFF SNZB-05P Zigbee Water Leak Sensor
Amazing Deal 14.90 €
In stock > 10 pcs
2 colors
Order by midnight, get it at the AlzaBox in the morning.
Info
Water Leak Detector - detects Water gas, battery-powered, range: 130 m, compatible with Samsung SmartThings, IFTTT and eWeLink, central unit required to function,, app with Czech...
Added to cart
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SONOFF SNZB-05P Zigbee Water Leak Sensor & Detection Cable - Water Leak Detector
SONOFF SNZB-05P Zigbee Water Leak Sensor & Detection Cable
17.90 €
On the way > 5 pcs
Expected 06/10/2026
2 colors
Water Leak Detector - detects Water gas, battery-powered, range: 130 m, compatible with Samsung SmartThings, IFTTT and eWeLink, central unit required to function,, app with Czech...
Added to cart
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Airthings View Plus - complete air quality monitor - Air Quality Meter
Airthings View Plus - complete air quality monitor
399.90 €
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
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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AQARA Water Leak Sensor T1 - Water Leak Detector
AQARA Water Leak Sensor T1
18.90 €
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
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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Honeywell Home R200S-2 Fire detector alarm - smoke sensor (optical principle), battery operated - Smoke Detector
Honeywell Home R200S-2 Fire detector alarm - smoke sensor (optical principle), battery operated
28.90 €
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Smoke Detector - temperature measurement to 70 °C, battery-powered , acoustic signals, signal volume 85 dB, features: test button and alarm, cover material plastic, operating...
Added to cart
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Solight Wireless motion detector/gong - Detector
Solight Wireless motion detector/gong
16.90 €
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
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,...
Added to cart
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EVOLVEO wireless PIR motion sensor for Alarmex/Sonix with tamper protection - Motion Sesnor
EVOLVEO wireless PIR motion sensor for Alarmex/Sonix with tamper protection
Great price from  23.10 €
Currently Unavailable
Motion Sesnor , closed system with detection motion, range: security, power supply: Battery-Powered,
View
EVOLVEO Defender D5 - Gas Leak Detector
EVOLVEO Defender D5
36.90 €
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Gas Leak Detector - detects CO (carbon monoxide), battery-powered, acoustic, visual signals, signal volume 85 dB, battery indication and display, features test button and...
Added to cart
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Solight Wireless motion detector/gong - Detector
Solight Wireless motion detector/gong
19.90 €
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
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,...
Added to cart
- +
Airthings Corentium Home (224 B/m3) - digital radon detector - Air Quality Meter
Airthings Corentium Home (224 B/m3) - digital radon detector
173.17 €
Currently Unavailable
Air Quality Meter - detects radon, battery-powered, display, features: memory, cover material plastic, operating temperature from 4 to 40 °C, battery included, standalone unit
View
TESLA Smart Gas Sensor - Gas Leak Detector
TESLA Smart Gas Sensor
Great price 40.90 €
In stock 3 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Gas Leak Detector - mains power supply, detection reach 50 m, acoustic, visual signals, notifications via push notifications, features reset, cover material plastic, operating...
Added to cart
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SONOFF SNZB-03P Zigbee Motion Sensor - Motion Sesnor
SONOFF SNZB-03P Zigbee Motion Sensor
Great price 13.90 €
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Motion Sesnor , open system with detection motion compatible with Samsung SmartThings, IFTTT and eWeLink, range: lighting, application in English and Czech, power supply:...
Added to cart
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FIBARO Motion Sensor - Motion Sesnor
FIBARO Motion Sensor
48.90 €
In stock 2 pcs
3 variants
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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Eve Motion (Matter - compatible with Apple, Google, SmartThings & Amazon Alexa) - Motion Sesnor
Eve Motion (Matter - compatible with Apple, Google, SmartThings & Amazon Alexa)
49.90 €
In stock 3 pcs
Motion Sesnor , connect through Bluetooth, closed system with detection motion and Lights compatible with Apple Home, Google Home and Samsung SmartThings, range: lighting, security...
Added to cart
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24 more...
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