Best sellers, best detectors
We also think that you deserve the best. That’s why on this page, we ranked detectors from the most sold to the least sold. You have 170 products to choose from. Customers have the most interest in SONOFF SNZB-05P Zigbee Water Leak Sensor & Detection Cable, which you can buy for 14.90 € incl. VAT. If you’re intrested in detectors in terms of the highest reviews, then look at the detectors reviews and tests category.
170
Results
Motion Sesnor , open system with detection motion and Light compatible with Apple Siri shortcuts, Tuya, Lidl Home, Smartlife, Nedis SmartLife, ETA SMART, Tesla Smart and Immax NEO PRO, range: lighting, security and home control, application in English, Czech, German, Slovak, Hungarian and In Polish, power supply: USB,
25.90 €
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
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Order Code:
IMMX24071
Water Leak Detector - detects water gas, battery-powered, range: 200 m, compatible with Google Home and Manufacturer app, connect via WiFi 2,4 GHz, central unit required to function, app with English language support for Android and iOS
Air Quality Meter - detects temperature, humidity, CO₂ (carbon dioxide), measurement range from 400 to 5000 ppm, temperature measurement from 0 to 50 °C with accuracy 0.1 °C, humidity measurement from 20 to 90 % with accuracy 1 %, mains power supply, acoustic, visual signals, notifications via push notifications, display, features: hours, alarm clock, memory, automatic scenarios and alarm, power cable included, compatible with Tuya, Lidl Home, Smartlife and EMOS GoSmart, standalone unit requires a central hub, app language options: Czech and English, compatible with Android and iOS
95.90 €
In stock > 5 pcs
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Order Code:
EMOS24070
Motion Sesnor , connect through Bluetooth with detection motion and Light compatible with Apple Home and Manufacturer app, range: lighting and security, application in English and Czech,
Buy with code
ALZADAYS10AT
The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart.
Erhalten Sie 10 % Rabatt mit dem Code ALZADAYS5AT. Das Angebot gilt bis zum 15. September 2025 oder solange der Vorrat reicht und ist nur für Endverbraucher bestimmt.
18.81 €
20.90 €
In stock 2 pcs
Order by midnight, get it at the AlzaBox in the morning.
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Order Code:
QGP005a
Motion Sesnor , connect through Bluetooth, open system with detection motion and Light compatible with Apple Home and Aqara Home, range: lighting and security, application in English, Czech, German, Slovak and In Polish, power supply: Battery-Powered,
Detector - CO₂ (carbon dioxide) detection, measurement range from 400 to 2400 ppm, mains + battery power, reaction time 6 s, display, independently functional unit
81.90 €
In stock > 5 pcs
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Order Code:
Airbi24001
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
Buy with code
ALZADAYS25AT
The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart.
Erhalten Sie 25 % Rabatt mit dem Code ALZADAYS25AT. Das Angebot gilt bis zum 15. September 2025 oder solange der Vorrat reicht und ist nur für Endverbraucher bestimmt.
18.68 €
24.90 €
In stock 4 pcs
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Order Code:
Mer24_14
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
Buy with code
ALZADAYS25AT
The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart.
Erhalten Sie 25 % Rabatt mit dem Code ALZADAYS25AT. Das Angebot gilt bis zum 15. September 2025 oder solange der Vorrat reicht und ist nur für Endverbraucher bestimmt.
17.93 €
Amazing Deal
23.90 €
In stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
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Order Code:
Mer24_13
Motion Sesnor , connect through WiFi 2,4 GHz and Bluetooth, open system with detection motion compatible with Tuya, Lidl Home, Smartlife, EMOS GoSmart and Manufacturer app, range: security, application in English, Czech, German, Slovak and Hungarian, power supply: Battery-Powered,
Water Leak Detector - detects water gas, battery-powered, sound level: 85dB, compatible with Tuya, Lidl Home, Smartlife, EMOS GoSmart and Manufacturer app, battery indication, central unit required to function,, app with Czech language support, app with Czech and English language support for Android and iOS
Motion Sesnor with detection motion compatible with Manufacturer app, range: security,
Motion Sesnor with detection motion compatible with Manufacturer app, range: lighting, power supply: Power plug,
Motion Sesnor , connect through Radio frequency with detection motion, range: security, power supply: Battery-Powered and USB,
11.90 €
In stock > 5 pcs
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Order Code:
MaTo23_11
Smoke Detector - detects motion, temperature, mains power supply, detection reach 100 m, acoustic signals, signal volume 85 dB, features: test button and alarm, cover material plastic, operating temperature from 0 to 50 °C, operating humidity from 0 to 85 %, ingress protection IP20, input voltage 230 V, requires a central hub, compatible with Android, Windows and iOS
161.90 €
In stock 1 pcs
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Order Code:
HEA23_14
Motion Sesnor , connect through WiFi 2,4 GHz and WiFi 5 GHz, open system with detection motion and Light compatible with Apple Siri shortcuts, Tuya and Immax NEO PRO, range: lighting, electrical installation and security, application in English, Czech, German and Hungarian, power supply: Power plug and USB,
Buy with code
ALZADAYS30AT
The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart.
Erhalten Sie 30 % Rabatt mit dem Code ALZADAYS30AT. Das Angebot gilt bis zum 15. September 2025 oder solange der Vorrat reicht und ist nur für Endverbraucher bestimmt.
28.53 €
40.75 €
Ordered on request
Order Code:
IMXX2333
![Ajax WaterStop [1/2] (8EU) white - Remote controlled water shut-off valve (1/2") - Water Leak Detector](https://image.alza.cz/products/AJAX23_024/AJAX23_024.jpg?width=190&height=190)
Water Leak Detector - detects Humidity and water gas, battery-powered, range: 1,1 m, reaction time: 5s, compatible with Ajax, connection via radio waves, protection against sabotage, standalone functional unit,, app with Czech language support for Android, Windows and iOS
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 required to function,, app with Czech language support, app with Czech and English language support for Android and iOS
16.90 €
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
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Order Code:
TP23_065
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 €
In stock 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
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Order Code:
Solight23_18
Smoke Detector - temperature measurement from 0 to 55 °C, battery-powered , detection reach 15 m, acoustic signals, notifications via push notifications, signal volume 85 dB, battery indication, features: alarm, cover material plastic, operating temperature from 0 to 55 °C, battery and mounting kit included, requires a central hub, app language options: Czech and English , compatible with Android and iOS
36.90 €
In stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
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Order Code:
Moes22_38
Motion Sesnor , open system with detection motion compatible with Tuya, range: security and home control, application in English, Czech, German, Slovak and Hungarian, power supply: Battery-Powered,
Buy with code
ALZADAYS25AT
The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart.
Erhalten Sie 25 % Rabatt mit dem Code ALZADAYS25AT. Das Angebot gilt bis zum 15. September 2025 oder solange der Vorrat reicht und ist nur für Endverbraucher bestimmt.
17.18 €
22.90 €
In stock 2 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code:
Moes22_42
Gas Leak Detector - detects natural gas, mains power supply, acoustic signals, notifications via push notifications, signal volume 70 dB, battery indication, features alarm, cover material plastic, operating temperature from -10 to 55 °C, operating humidity up to 95 %, mounting kit included, compatible with Tuya and MOES, requires a central hub, app language options: Czech and English , compatible with Android and iOS
28.90 €
In stock 2 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code:
Moes22_41
Water Leak Detector - detects water gas, battery-powered, compatible with Tuya and MOES, battery indication, central unit required to function,, app with Czech language support, app with Czech and English language support for Android and iOS
Air Quality Meter - detects temperature, humidity, CO₂ (carbon dioxide), measurement range from 400 to 5000 ppm, measurement range from 0 to 100 %, temperature measurement from 0 to 50 °C with accuracy 0.2 °C, humidity measurement with accuracy 1,8 %, battery-powered, detection reach 1700 m, visual signals, notifications via push notifications, battery indication, features: automatic scenarios, cover material plastic, operating temperature from 0 to 50 °C,, ingress protection IP50, battery and mounting kit included, requires a central hub, app language: Czech, compatible with Android, Windows and iOS
Air Quality Meter - detects temperature, humidity, CO₂ (carbon dioxide), measurement range from 400 to 5000 ppm, measurement range from 0 to 100 %, temperature measurement from 0 to 50 °C with accuracy 0.2 °C, humidity measurement with accuracy 1,8 %, battery-powered, detection reach 1700 m, visual signals, notifications via push notifications, battery indication, features: automatic scenarios, cover material plastic, operating temperature from 0 to 50 °C,, ingress protection IP50, battery and mounting kit included, requires a central hub, app language: Czech, compatible with Android, Windows and iOS
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