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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 329 products to choose from. Customers have the most interest in TP-Link Tapo T300, Smart water leak sensor, which you can buy for 18.90 € incl. VAT. If you’re intrested in detectors in terms of the highest reviews, then look at the detectors reviews and tests category.
All detectors
All from 329
Homematic IP PIR motion detector with brightness sensor - indoor - HmIP-SMI - Motion Sesnor
Homematic IP PIR motion detector with brightness sensor - indoor - HmIP-SMI
54.12 €
Currently Unavailable
Buy with code ALZADNI5 51.41 € The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získajte zľavu 5 % s kódom ALZADNI5. Kliknite a kód sa uplatní automaticky.
Motion Sesnor , connect through WiFi 2,4 GHz, closed system with detection motion, range: security, application in Czech, power supply: Battery-Powered,
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Homematic IP PIR motion detector with brightness sensor - outdoor - HmIP-SMO-2 - Motion Sesnor
Homematic IP PIR motion detector with brightness sensor - outdoor - HmIP-SMO-2
87.69 €
Currently Unavailable
Buy with code ALZADNI5 83.31 € The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získajte zľavu 5 % s kódom ALZADNI5. Kliknite a kód sa uplatní automaticky.
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:...
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Homematic IP Rain Sensor - HmIP-SRD - Sensor
Homematic IP Rain Sensor - HmIP-SRD
159.90 €
From 3.68 € per month
In stock 4 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
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...
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Homematic IP Siren indoor - HmIP-ASIR-2 - Siren
Homematic IP Siren indoor - HmIP-ASIR-2
65.90 €
Currently Unavailable
Siren - open system, area of use: security, OS supported: Android and iOS, compatible with Google Home and Homematic IP, power supply: Battery-Powered
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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
Buy with code ALZADNI10 25.11 € 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.
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...
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Honeywell Home R200S-N2 Interconnected fire detector alarm - smoke (optical) principle, battery oper - Smoke Detector
Honeywell Home R200S-N2 Interconnected fire detector alarm - smoke (optical) principle, battery oper
43.90 €
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Smoke Detector - temperature measurement from 0 to 70 °C, battery-powered , acoustic signals, signal volume 85 dB, features: test button, cover material plastic, operating...
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GARNI 204 OneCare - Air Quality Meter
GARNI 204 OneCare
116.90 €
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Air Quality Meter - detects temperature, humidity, dust particles, temperature measurement from -40 to 70 °C, humidity measurement from 1 to 99 %, mains + battery-powered,...
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Airthings View Plus - complete air quality monitor - Air Quality Meter
Airthings View Plus - complete air quality monitor
303.90 €
From 6.99 € per month
Unsealed - in stock 3 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...
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Alecto COA3910 - Gas Leak Detector
Alecto COA3910
20.92 €
In stock > 10 pcs at the supplier's
Gas Leak Detector - detects CO (carbon monoxide), battery-powered, acoustic signals, signal volume 85 dB, battery indication, features alarm, cover material plastic, input voltage...
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Alecto SA-102 - Smoke Detector
Alecto SA-102
25.13 €
In stock > 10 pcs at the supplier's
Smoke Detector - battery-powered , acoustic signals, signal volume 85 dB, battery indication, features: alarm, cover material plastic, operating temperature from -10 to 40 °C,...
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Alecto SA-100 - Smoke Detector
Alecto SA-100
14.62 €
In stock > 10 pcs at the supplier's
Smoke Detector - battery-powered , acoustic signals, signal volume 85 dB, battery indication, features: alarm, cover material plastic, operating temperature from -10 to 40 °C,...
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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
-24 % off new 60.90 € New 80.90 €
As good as new - in stock 1 pcs
Air Quality Meter - detects temperature, humidity, TVOC (volatile organic compounds), temperature measurement with accuracy 1 °C, humidity measurement with accuracy 3 %,...
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Elektrobock LX118 - Motion Sesnor
Elektrobock LX118
9.39 €
In stock 2 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Motion Sesnor with detection motion, range: electrical installation, power supply: Power plug,
Added to cart
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Netatmo Smart Carbon Monoxide Alarm - Gas Leak Detector
Netatmo Smart Carbon Monoxide Alarm
-17 % off new 86.90 € New 105.90 €
Unsealed - in stock 1 pcs
Gas Leak Detector - battery-powered, notifications via push notifications, signal volume 85 dB, battery indication, cover material plastic, compatible with Apple Home, standalone...
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Mi Door and Window Sensor 2 - Door and Window Sensor
Mi Door and Window Sensor 2
-15 % off new 10.90 € New 12.90 €
Unsealed - in stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Door and Window Sensor - wireless, compatible with Xiaomi Home, connect via Bluetooth, integrated daylight sensor, central unit required, supported OS: Android and iOS, application...
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Mi Door and Window Sensor 2 - Door and Window Sensor
Mi Door and Window Sensor 2
12.90 €
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Door and Window Sensor - wireless, compatible with Xiaomi Home, connect via Bluetooth, integrated daylight sensor, central unit required, supported OS: Android and iOS, application...
Added to cart
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Airthings Corentium Home (224 B/m3) - digital radon detector - Air Quality Meter
Airthings Corentium Home (224 B/m3) - digital radon detector
-13 % off new 148.90 € New 173.07 €
From 3.42 € per month
Unsealed - in stock 2 pcs
Air Quality Meter - detects radon, battery-powered, display, features: memory, cover material plastic, operating temperature from 4 to 40 °C, battery included, standalone unit
Added to cart
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SwitchBot Contact Sensor - Door and Window Sensor
SwitchBot Contact Sensor
15.90 €
Currently Unavailable
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...
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GARNI 210T OneCare - Air Quality Meter
GARNI 210T OneCare
-26 % off new 74.90 € New 101.90 €
Unsealed - in stock 2 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
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 +...
Added to cart
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Kidde 7DCO CO Detector with Alarm (Gas Leak Sensor) - Gas Leak Detector
Kidde 7DCO CO Detector with Alarm (Gas Leak Sensor)
-5 % off new 43.90 € New 46.59 €
Unsealed - in stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Gas Leak Detector - detects CO (carbon monoxide), signal volume 85 dB, standalone unit
Added to cart
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Netatmo Smart Carbon Monoxide Alarm - Gas Leak Detector
Netatmo Smart Carbon Monoxide Alarm
105.90 €
In stock 2 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Gas Leak Detector - battery-powered, notifications via push notifications, signal volume 85 dB, battery indication, cover material plastic, compatible with Apple Home, standalone...
Added to cart
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FireAngel SB5 fire and smoke detector - Smoke Detector
FireAngel SB5 fire and smoke detector
16.90 €
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
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...
Added to cart
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iQtech Smartlife SS03 Zigbee Smoke sensor, Zigbee 3.0 - Smoke Detector
iQtech Smartlife SS03 Zigbee Smoke sensor, Zigbee 3.0
32.90 €
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Smoke Detector - battery-powered , detection reach 10 m, notifications via push notifications, battery indication, features: alarm, cover material plastic, compatible with Tuya...
Added to cart
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iQtech Smartlife WL04 Zigbee Flood sensor, Zigbee 3.0 - Water Leak Detector
iQtech Smartlife WL04 Zigbee Flood sensor, Zigbee 3.0
25.90 €
On the way 1 pcs
Expected 24/06/2026
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...
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