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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 308 products to choose from. Customers have the most interest in SAFE HOME SAFE 10Y30-PRO, which you can buy for 21.90 € 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 308
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...
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,...
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,
EVOLVEO Alarmex Pro (ACSALMPIR) wireless PIR motion sensor - Motion Sensor
EVOLVEO Alarmex Pro (ACSALMPIR) wireless PIR motion sensor
24.90 €
In stock 4 pcs at the supplier's
Motion Sensor - for alarm, Exterior and Interior, battery powered, input voltage: 9 V, reach of 100m, connection via GSM, battery indication, a central unit is required to function...
SwitchBot Water Leak Detector - Sensor
SwitchBot Water Leak Detector
23.90 €
In stock 1 pcs
2 colors
Sensor - detection of water level thresholds as low as 0.5 mm, loud alarm, notifications to your mobile phone via the SwitchBot app, sensor compatibility with Wi-Fi and Bluetooth,...
ERMENRICH Gas detector NG40 84092 - Gas Leak Detector
ERMENRICH Gas detector NG40 84092
91.78 €
In stock > 5 pcs at the supplier's
Gas Leak Detector - measurement range from 0 to 10000 ppm, battery power, acoustic, optical signalling, battery status indication and display, reset and alarm functions, operating...
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
80.90 €
In stock 3 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Air Quality Meter - detects temperature, humidity, TVOC (volatile organic compounds), temperature measurement with accuracy 1 °C, humidity measurement with accuracy 3 %,...
Elektrobock CN11 Mini - Motion Sensor
Elektrobock CN11 Mini
8.79 €
In stock > 10 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, independently functional unit
Homematic IP Smoke detector HmIP-SWSD-2 - Smoke Detector
Homematic IP Smoke detector HmIP-SWSD-2
65.65 €
In stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Buy with code ALZADNI10 59.09 € 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.
Smoke Detector - battery-powered , detection reach 40 m, acoustic, visual signals, signal volume 85 dB, battery indication, features: test button, cover material plastic, operating...
Multifunctional digital CO detector FireAngel FA3322 with LCD display - Gas Leak Detector
Multifunctional digital CO detector FireAngel FA3322 with LCD display
64.90 €
In stock 2 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Gas Leak Detector - detects CO (carbon monoxide), battery-powered, acoustic signals, signal volume 85 dB, battery indication, features alarm, cover material plastic, operating...
FIBARO Smoke Sensor - Smoke Detector
FIBARO Smoke Sensor
61.90 €
On the way 4 pcs
Expected 30/04/2026
4 variants
Smoke Detector - detects temperature, temperature measurement from -20 to 100 °C, battery-powered , acoustic, visual signals, signal volume 85 dB, battery indication, features:...
BOT Smart carbon dioxide detector WiFi CO2 - Air Quality Meter
BOT Smart carbon dioxide detector WiFi CO2
60.06 €
In stock > 5 pcs at the supplier's
Air Quality Meter - detects temperature, humidity, CO₂ (carbon dioxide), measurement range from 400 to 5000 ppm, mains power supply, acoustic, visual signals, notifications via...
Electrobock CN15F with 2 sensors - Motion Sensor
Electrobock CN15F with 2 sensors
14.90 €
In stock 3 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Motion Sensor - for lighting, Exterior and Interior, mains supply, input voltage: 230 V, reach of 12m, adjustable sensitivity, independently functional unit
Honeywell Home R200C-N2, Connected Carbon Monoxide Detector and Detector, CO Alarm - Gas Leak Detector
Honeywell Home R200C-N2, Connected Carbon Monoxide Detector and Detector, CO Alarm
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), smoke, measurement range from 3 to 330 ppm, gas detection sensitivity 28 ppm, battery-powered, detection reach 100 m, acoustic...
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
KIDDE Combination smoke detector KIDDE-K10SCO - Smoke Detector
KIDDE Combination smoke detector KIDDE-K10SCO
57.90 €
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Smoke Detector - detects CO (carbon monoxide), measurement range from 0 ppm, battery-powered , acoustic signals, signal volume 85 dB, battery indication, cover material plastic,...
AQARA Presence Sensor FP1E (PS-S03D), Zigbee - Motion Sesnor
AQARA Presence Sensor FP1E (PS-S03D), Zigbee
50.90 €
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Motion Sesnor , connect through Radio frequency, open system with detection motion compatible with Aqara Home and Manufacturer app, range: lighting and security, application in...
Honeywell Home R200ST-N2 Interconnected fire alarm detector - smoke (optical) and temperature princi - Smoke Detector
Honeywell Home R200ST-N2 Interconnected fire alarm detector - smoke (optical) and temperature princi
48.90 €
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...
MOES Mini CO Detector, grey - Gas Leak Detector
MOES Mini CO Detector, grey
41.90 €
In stock 2 pcs
2 colors
Order by midnight, get it at the AlzaBox in the morning.
Info
Gas Leak Detector - measurement range from 0 to 1000 ppm, deviation 100 ppm, reaction time 2 s, acoustic signals, battery indication and display, features alarm, cover material...
Eufy Motion Sensor - White - Motion Sesnor
Eufy Motion Sensor - White
41.90 €
In stock 2 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Buy with code ALZADNI25 31.43 € 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 , connect through WiFi 2,4 GHz, closed system with detection motion, range: security, application in English, power supply: Battery-Powered,
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...
BOT Smart gas detector WiFi GS5 - Gas Leak Detector
BOT Smart gas detector WiFi GS5
32.93 €
In stock > 5 pcs at the supplier's
Buy with code ALZADNI5 31.28 € 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.
Gas Leak Detector - mains power supply, detection reach 20 m, acoustic signals, notifications via push notifications, signal volume 70 dB, display, features alarm, cover material...
Meross Smart Water Leak Sensor Kit - Sensor
Meross Smart Water Leak Sensor Kit
29.90 €
In stock 1 pcs
2 colors
Order by midnight, get it at the AlzaBox in the morning.
Info
Buy with code ALZADNI30 20.93 € 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.
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...
TESLA Smart Gas Sensor - Gas Leak Detector
TESLA Smart Gas Sensor
26.90 €
In stock 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Buy with code ALZADNI10 24.21 € 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.
Gas Leak Detector - mains power supply, detection reach 50 m, acoustic, visual signals, notifications via push notifications, features reset, cover material plastic, operating...
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