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 345 products to choose from. Customers have the most interest in Airthings View Plus - complete air quality monitor, which you can buy for 306.90 € incl. VAT. If you’re intrested in detectors in terms of the highest reviews, then look at the detectors reviews and tests category.
345
Results
Homematic IP Occupancy Sensor - indoor - HmIP-SPI
Motion Sesnor with detection motion compatible with Google Home and Manufacturer app, range: lighting, power supply: Battery-Powered,
Homematic IP PIR motion detector with brightness sensor - outdoor, anthracite - HmIP-SMO-A-2
Motion Sesnor , closed system with detection motion, range: security, power supply: Battery-Powered,
Homematic IP PIR motion detector with brightness sensor - indoor - HmIP-SMI
Motion Sesnor , connect through WiFi 2,4 GHz, closed system with detection motion, range: security, application in Czech, power supply: Battery-Powered,
Homematic IP PIR motion detector with brightness sensor - outdoor - HmIP-SMO-2
Motion Sesnor , connect through WiFi 2,4 GHz, closed system with detection motion, range: lighting, heating and cooling and security, application in Czech, power supply: Battery-Powered,
Homematic IP Rain Sensor - HmIP-SRD
Sensor The wireless rain sensor (HmIP-SRD) for outdoor use is part of the Homematic IP smart home system. The sensor with its high weather and weather protection offers a wide range of applications in conjunction with other Homematic IP devices. The device detects even the smallest amount of rain or snowfall and then transmits the information to the Central Unit (HmIP-HAP) and the connected Homematic IP devices, which react according to a predefined configuration.
159.90 €
In stock 4 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code:
Home22_37
Homematic IP Siren indoor - HmIP-ASIR-2
Siren - open system, area of use: security, OS supported: Android and iOS, compatible with Google Home and Homematic IP, power supply: Battery-Powered
TESLA Smart Water Sensor
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
Add AlzaPlus+ and save instantly
23.72 €
27.90 €
In stock 2 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code:
Tsl_22_29
Honeywell Home R200ST-N2 Interconnected fire alarm detector - smoke (optical) and temperature princi
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
48.90 €
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code:
HNW22_06
Honeywell Home R200S-N2 Interconnected fire detector alarm - smoke (optical) principle, battery oper
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
43.90 €
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code:
HNW22_05
Honeywell Home R200H-N2 Interconnected fire alarm detector - temperature principle, battery operated
Temperature Sensor - interconnected fire detector, battery powered
Buy with code
ALZADNI10
The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart.
Získajte zľavu 10 % s kódom ALZADNI10. Kliknite a kód sa uplatní automaticky.
30.51 €
33.90 €
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code:
HNW22_03
GARNI 204 OneCare
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 > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code:
GARNI19014
Alecto SA-102
Smoke Detector - battery-powered , acoustic signals, signal volume 85 dB, battery indication, features: alarm, cover material plastic, operating temperature from -10 to 40 °C, operating humidity up to 90 %, battery and mounting kit included, standalone unit
Alecto SA-100
Smoke Detector - battery-powered , acoustic signals, signal volume 85 dB, battery indication, features: alarm, cover material plastic, operating temperature from -10 to 40 °C, operating humidity up to 90 %, battery and mounting kit included, standalone unit
Airthings View Radon - Air Quality Monitor
Air Quality Meter is designed for indoor environments where it monitors humidity, temperature and the amount of radon in the air. 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 Radon also communicates with IFTTT, Google Assistant and Amazon Alexa voice assistants.
Add AlzaPlus+ and save instantly
155.12 €
Great price
193.90 €
Save 5.10 €
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code:
Air22TNG3
Airthings View Pollution - air quality monitor
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.
Add AlzaPlus+ and save instantly
152.93 €
203.90 €
On the way > 5 pcs
Expected 15/09/2026
Order Code:
Air22TNG2
Eufy Motion Sensor - White
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
ALZADNI30
The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart.
Získajte zľavu 30 % s kódom ALZADNI30. Kliknite a kód sa uplatní automaticky.
29.33 €
41.90 €
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code:
AnkEuf21_01
SwitchBot Contact Sensor
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
15.90 €
In stock 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code:
SwBot21_13
SwitchBot Motion Sensor
Motion Sesnor , connect through WiFi 2,4 GHz, open system with detection motion, range: security, power supply: Battery-Powered,
18.68 €
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code:
SwBot21_12
GARNI 210T OneCare
Air Quality Meter - detects temperature, humidity, dust particles, temperature measurement from -10 to 50 °C with accuracy 0.8 °C, humidity measurement with accuracy 5 %, mains + battery-powered, acoustic, visual signals, battery indication and display, cover material plastic, power cable included, compatible with Tuya and Smartlife, standalone unit, compatible with Android and iOS
Netatmo Smart Carbon Monoxide Alarm
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
109.13 €
In stock 4 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code:
NetA_21_01
FireAngel SB5 fire and smoke detector
Smoke Detector - battery-powered , acoustic, visual signals, signal volume 85 dB, features: test button and temporary shutdown, operating temperature from 0 to 40 °C, operating humidity up to 90 %, battery included, standalone unit
16.90 €
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code:
SAFEH169
Kidde 5DCO carbon monoxide leak detector
Gas Leak Detector - detects CO (carbon monoxide), signal volume 85 dB, standalone unit
Add AlzaPlus+ and save instantly
30.51 €
33.90 €
In stock 4 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code:
SAFEH168
iQtech Smartlife SS03 Zigbee Smoke sensor, Zigbee 3.0
Smoke Detector - battery-powered , detection reach 10 m, notifications via push notifications, battery indication, features: alarm, cover material plastic, compatible with Tuya and Smartlife, requires a central hub, app language options: Czech and English , compatible with Android and iOS
32.90 €
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code:
iQ21TECH144
GARNI 210T OneCare
Air Quality Meter - detects temperature, humidity, dust particles, temperature measurement from -10 to 50 °C with accuracy 0.8 °C, humidity measurement with accuracy 5 %, mains + battery-powered, acoustic, visual signals, battery indication and display, cover material plastic, power cable included, compatible with Tuya and Smartlife, standalone unit, compatible with Android and iOS
101.90 €
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code:
GARNI19013
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