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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 306 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.
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All from 306
MOES Smoke Detector, Zigbee - Smoke Detector
MOES Smoke Detector, Zigbee
37.90 €
In stock 2 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
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,...
SONOFF Zigbee Human Presence Sensor - Sensor
SONOFF Zigbee Human Presence Sensor
17.90 €
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Sensor - for motion detection, functionality based on 5.8 GHz microwave radar, three levels of sensitivity, detection distance up to 4 m, compatible with smart bulbs, Smart Switch...
iGET HOME XP1B - wireless PIR motion sensor for iGET HOME X1 and X5 alarm - Motion Sesnor
iGET HOME XP1B - wireless PIR motion sensor for iGET HOME X1 and X5 alarm
10.90 €
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Motion Sesnor with detection motion, range: security, power supply: Battery-Powered,
iGET SECURITY P1v2 - wireless PIR motion detector - Motion Sensor
iGET SECURITY P1v2 - wireless PIR motion detector
16.90 €
In stock > 5 pcs
Motion Sensor accessories for iGET SECURITY M3B and M2B alarm system - Wireless PIR motion detector for monitoring movement in the room
IMMAX NEO Smart Ultrasonic Liquid Level Sensor , 5 m, WiFi - Sensor
IMMAX NEO Smart Ultrasonic Liquid Level Sensor , 5 m, WiFi
62.70 €
In stock > 5 pcs at the supplier's
Sensor - precise measurement using ultrasonic technology, suitable for any type of liquid, IP65 resistance, possibility of connection to a smart water valve, Immax NEO PRO app in...
SAFE 808 Combustible and Explosive Gas Detector - Natural Gas Detector - Gas Leak Detector
SAFE 808 Combustible and Explosive Gas Detector - Natural Gas Detector
26.90 €
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Gas Leak Detector - detects natural gas, propane-butane, measurement range to 2500 ppm, mains power supply, reaction time 20 s, acoustic, visual signals, signal volume 85 dB,...
Kidde 10LLDCO CO Detector (Moisture Resistant) - Gas Leak Detector
Kidde 10LLDCO CO Detector (Moisture Resistant)
Great price 58.90 €
In stock > 5 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
Airthings Wave plus - air quality, radon, humidity, temperature, VOC, CO2 and pressure sensor - Air Quality Meter
Airthings Wave plus - air quality, radon, humidity, temperature, VOC, CO2 and pressure sensor
234.90 €
From 5.40 € per month
In stock 4 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), measurement range from 400 to 5000 ppm, deviation...
Kidde Fire and Smoke Detector 10Y29 - Smoke Detector
Kidde Fire and Smoke Detector 10Y29
Discounted -7 % 24.90 € 26.90 €
In stock > 10 pcs
Smoke Detector - signal volume 85 dB, standalone unit
Elektrobock CN02C - Motion Sensor
Elektrobock CN02C
13.90 €
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Motion Sensor - for lighting, Interior, mains supply, input voltage: 230 V, reach of 9m, independently functional unit
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...
IMMAX NEO Smart water leak sensor, Zigbee 3.0 - Water Leak Detector
IMMAX NEO Smart water leak sensor, Zigbee 3.0
20.91 €
In stock > 10 pcs
Water Leak Detector - detects water gas, battery-powered, range: 30 m, sound level: 120dB, compatible with Google Home, Tuya, Lidl Home and Immax NEO PRO, connect via WiFi 2,4 GHz...
Kidde 7DCO CO Detector with Alarm (Gas Leak Sensor) - Gas Leak Detector
Kidde 7DCO CO Detector with Alarm (Gas Leak Sensor)
46.59 €
In stock > 5 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
Philips Hue Motion Sensor - Motion Sensor
Philips Hue Motion Sensor
46.90 €
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Motion Sensor - for lighting, Interior, battery powered, reach of 5m, compatible with Apple Home, connection via Bluetooth, application in Czech, applications in Czech and English...
Honeywell R200C-2, Carbon monoxide detector and detector, CO Alarm - Gas Leak Detector
Honeywell R200C-2, Carbon monoxide detector and detector, CO Alarm
45.90 €
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...
Elektrobock LM-218B - Gas Leak Detector
Elektrobock LM-218B
19.90 €
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Gas Leak Detector - detects CO (carbon monoxide), measurement range from 30 to 550 ppm, deviation 3 ppm, battery-powered, acoustic signals, signal volume 85 dB, battery indication,...
Airthings Corentium Home (224 B/m3) - digital radon detector - Air Quality Meter
Airthings Corentium Home (224 B/m3) - digital radon detector
173.07 €
From 3.98 € per month
On the way 2 pcs
Expected 24/04/2026
Air Quality Meter - detects radon, battery-powered, display, features: memory, cover material plastic, operating temperature from 4 to 40 °C, battery included, standalone unit
IMMAX NEO Smart PIR sensor 2in1 Zigbee 3.0 - Motion Sesnor
IMMAX NEO Smart PIR sensor 2in1 Zigbee 3.0
18.90 €
In stock > 10 pcs
Buy with code ALZADNI25 14.18 € The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získajte zľavu 25% s kódom ALZADNI25. Kliknite a kód sa uplatní automaticky.
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...
EVOLVEO WiFi EYE, smart magnetic PIR motion sensor - Motion Sesnor
EVOLVEO WiFi EYE, smart magnetic PIR motion sensor
10.09 €
In stock 3 pcs at the supplier's
Motion Sesnor , connect through WiFi 2,4 GHz, closed system with detection motion compatible with Tuya, range: security, application in English, Czech, German, Slovak and...
AQARA Motion and Light Sensor P2 - Motion Sesnor
AQARA Motion and Light Sensor P2
35.54 €
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 and Light compatible with Apple Home and Aqara Home, range: lighting and security, application in...
Fireman fire alarm and smoke detector JB-S01 - Smoke Detector
Fireman fire alarm and smoke detector JB-S01
8.24 €
In stock > 10 pcs at the supplier's
Smoke Detector - battery-powered , acoustic signals, signal volume 90 dB, features: test button, operating temperature from 0 to 40 °C, operating humidity from 30 to 90 %, battery...
Elektrobock CN09 White - Motion Sensor
Elektrobock CN09 White
8.59 €
In stock 4 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Motion Sensor - for lighting, Exterior, mains supply, input voltage: 230 V, reach of 12m, adjustable sensitivity
Bentech C999 Carbon Monoxide Autonomous Fire Detector - Gas Leak Detector
Bentech C999 Carbon Monoxide Autonomous Fire Detector
14.60 €
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, operating...
Sonoff PIR3-RF Small 433MHz RF PIR3 Motion Sensor - Sensor
Sonoff PIR3-RF Small 433MHz RF PIR3 Motion Sensor
14.90 €
In stock 4 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Buy with code ALZADNI10 13.41 € The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získajte zľavu 10 % s kódom ALZADNI10. Kliknite a kód sa uplatní automaticky.
Sensor - movement, a bridge is necessary to function, the angle of view: 100°, two modes, range: 8 m, connection: radio waves, colour: white
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