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 172 products to choose from. Customers have the most interest in SONOFF SNZB-05P Zigbee Water Leak Sensor & Detection Cable, which you can buy for 16.90 € incl. VAT. If you’re intrested in detectors in terms of the highest reviews, then look at the detectors reviews and tests category.
172
Results
Motion Sesnor , connect through WiFi 2,4 GHz and GSM, closed system with detection motion compatible with Tuya, range: security, power supply: Battery-Powered,
25.90 €
In stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
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Order Code:
EVO22_13
Motion Sesnor , connect through GSM, closed system with detection motion, range: security, power supply: Battery-Powered,
23.90 €
In stock 3 pcs
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Order Code:
EVO22_12
Siren - closed system, area of use: security, OS supported: Android and iOS, compatible with Manufacturer app, power supply: Power plug, in Czech and English
52.90 €
In stock 3 pcs
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Order Code:
EVO22_04
Motion Sesnor , open system with detection motion compatible with Tuya and Manufacturer app, range: lighting and security, application in English and Slovak, power supply: Battery-Powered,
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, humidity measurement 0-99% RH, RJ9 4P4C connector
Sensor - on the wall and on the table, measures temperature and humidity, with a display, 2 AAA batteries, white colour, dimensions 61 × 61 × 23 mm (H×W×D)
29.90 €
In stock 4 pcs
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Order Code:
Tsl_22_28
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
42.90 €
In stock 5 pcs
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Order Code:
Tsl_22_30
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 required to function,, app with Czech language support, app with Czech and English language support for Android and iOS
27.90 €
In stock 3 pcs
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Order Code:
Tsl_22_29
Smoke Detector - temperature measurement from 0 to 70 °C, battery-powered , acoustic signals, signal volume 85 dB, features: test button, cover material plastic, operating temperature to 40 °C, operating humidity up to 93 %, input voltage 3V, battery included, standalone unit
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.
42.21 €
46.90 €
In stock > 5 pcs
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Order Code:
HNW22_06
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 dB, features test button, cover material plastic, operating temperature from -10 to 40 °C, operating humidity from 25 to 95 %, ingress protection IP44, input voltage 3V, battery included, standalone unit
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.
41.31 €
45.90 €
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
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Order Code:
HNW22_01
Smoke Detector - temperature measurement from 0 to 70 °C, battery-powered , acoustic signals, signal volume 85 dB, features: test button, cover material plastic, operating temperature to 40 °C, operating humidity up to 93 %, input voltage 3V, battery included, standalone unit
42.90 €
In stock > 5 pcs
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Order Code:
HNW22_05
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
32.90 €
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
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Order Code:
HNW22_04
Temperature Sensor - interconnected fire detector, battery powered
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.
41.31 €
Amazing Deal
45.90 €
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
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Order Code:
HNW22_03
Gas Leak Detector - detects CO (carbon monoxide), smoke, measurement range from 3 to 330 ppm, gas detection sensitivity 28 ppm, battery-powered, detection reach 100 m, acoustic signals, signal volume 85 dB, features test button and alarm, cover material plastic, operating temperature from -10 to 40 °C, operating humidity from 25 to 95 %, input voltage 3V, battery included, standalone unit
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.
55.71 €
Amazing Deal
61.90 €
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code:
HNW22_02
Air Quality Meter - detects temperature, humidity, dust particles, temperature measurement from -40 to 70 °C, humidity measurement from 1 to 99 %, mains + battery-powered, detection reach 100 m, acoustic, visual signals, battery indication and display, features: hours and alarm clock, power adapter and battery included, standalone unit
116.90 €
In stock 4 pcs
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Order Code:
GARNI19014
Air Quality Meter is designed for indoor environments where it monitors humidity and temperature. You use batteries or a USB cable to power it. Easily connect the air detector to the app via Wi-Fi or HUB using Airthings Smartlink. The app is compatible with both Android and iOS operating systems. Airthings View Pollution also communicates with IFTTT, Google Assistant and Amazon Alexa voice assistants.
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
399.90 €
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code:
Air22TNG1
Motion Sesnor , connect through WiFi 2,4 GHz, closed system with detection motion, range: security, application in English, 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.
26.32 €
32.90 €
In stock 4 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code:
AnkEuf21_01
Door and Window Sensor - wireless, compatible with Xiaomi Home, connect via Bluetooth, integrated daylight sensor, central unit required, supported OS: Android and iOS, application in English
Great price
11.90 €
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code:
Xi21_01
Door and Window Sensor - wireless, compatible with Apple Siri shortcuts and Samsung SmartThings, connect via WiFi 2,4 GHz, battery indication, range of 5m, separately functional unit, supported OS: Android and iOS
Gas Leak Detector - battery-powered, notifications via push notifications, signal volume 85 dB, battery indication, cover material plastic, compatible with Apple Home, standalone unit, app language options: Czech and English , compatible with Android, Windows and iOS
88.90 €
In stock 4 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code:
NetA_21_01
Smoke Detector - battery-powered , detection reach 10 m, notifications via push notifications, battery indication, features: alarm, cover material plastic, compatible with Tuya and Smartlife, standalone unit, app language options: Czech and English , compatible with Android and iOS
Water Leak Detector - detects water gas,, compatible with Tuya and Smartlife, battery indication, central unit required to function,, app with Czech language support, app with Czech and English language support for Android and iOS
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