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 351 products to choose from. Customers have the most interest in Solight CO flue gas detector, 85 dB, which you can buy for 15.35 € incl. VAT. If you’re intrested in detectors in terms of the highest reviews, then look at the detectors reviews and tests category.
All from 351
Airthings Corentium Home 2 - Smart radon detector
187.50 €
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Air Quality Meter - detects temperature, humidity, radon, battery-powered, visual signals, notifications via push notifications, display, operating temperature from 4 to 40 °C,...
Elektrobock CN05A
7.99 €
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Motion Sesnor with detection motion, range: lighting, power supply: Power plug,
EVOLVEO Alarmex Pro (ACSALMPIR) wireless PIR motion sensor
19.90 €
On the way 1 pcs
Expected 02/10/2026
Motion Sesnor , connect through GSM, closed system with detection motion, range: security, power supply: Battery-Powered,
iQtech SmartLife CS01W Combo CO + Smoke Detector, Wi-Fi
41.72 €
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Smoke Detector - detects gas, measurement range from 50 to 300 ppm, battery-powered , acoustic signals, signal volume 85 dB, cover material plastic, compatible with Tuya,...
SAFE - CO detector SAFE 10YDCO-PRO
40.90 €
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Gas Leak Detector - detects CO (carbon monoxide), battery-powered, acoustic, visual signals, signal volume 85 dB, battery indication, operating temperature from -10 to 55 °C,...
Airthings Wave Enhance
155.90 €
In stock > 5 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), CO₂ (carbon dioxide), noise, battery-powered, visual signals, notifications via...
X-Sense XH02-M RF Temperature Sensor for SB550 Station
33.90 €
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Temperature Sensor
MAKETOP Y-10D DC sensor doorbell, white
13.90 €
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Add AlzaPlus+ and save instantly
11.12 €
Motion Sesnor , connect through Radio frequency with detection motion, range: security, power supply: Battery-Powered and USB,
X-Sense FS31 (3+1) Set of 3 XS01-M Wireless Smoke Detectors with SB550 Base Station
113.90 €
On the way > 5 pcs
Expected 09/10/2026
Smoke Detector - temperature measurement from 4 to 38 °C, humidity measurement, battery-powered , detection reach 500 m, reaction time 1 s, acoustic, visual signals, notifications...
FireAngel FA3313 CO detector with two replaceable AA batteries
27.90 €
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Gas Leak Detector - detects CO (carbon monoxide), battery-powered, acoustic signals, battery indication, features test button, temporary shutdown and self-diagnostics, cover...
FireAngel ST 622 Fire and Smoke Detector
27.90 €
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Smoke Detector - battery-powered , acoustic signals, signal volume 85 dB, battery indication, features: test button and temporary shutdown, operating temperature from 4 to 38 °C,...
EMOS PIR sensor (motion sensor) IP20, 1200 W, 360°, built-in
Great price
12.08 €
In stock 3 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Motion Sesnor with detection motion, range: lighting, power supply: Power plug,
Netatmo Smart Carbon Monoxide Alarm
108.55 €
In stock 3 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...
SAFE 808 Combustible and Explosive Gas Detector - Natural Gas Detector
26.90 €
In stock 2 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,...
GARNI 206 OneCare
97.90 €
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Air Quality Meter - detects temperature, humidity, CO₂ (carbon dioxide), measurement range from 400 to 5000 ppm, temperature measurement from -9.9 to 50 °C with accuracy 1 °C,...
CO-man Mini C11-L stand-alone carbon monoxide fire detector
23.64 €
In stock > 10 pcs at the supplier's
Gas Leak Detector - detects CO (carbon monoxide), measurement range to 999 ppm, battery-powered, acoustic signals, signal volume 85 dB, battery indication and display, cover...
Bentech Gasman LCD standalone fire alarm and gas leak detector
20.36 €
In stock > 10 pcs at the supplier's
Gas Leak Detector - detects natural gas, propane-butane, mains power supply, detection reach 30 m, reaction time 20 s, acoustic signals, battery indication, features alarm, cover...
IMMAX NEO Smart water leak sensor, Zigbee 3.0
20.90 €
In stock > 10 pcs at the supplier's
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...
EVOLVEO wireless outdoor siren for Alarmex / Sonix
81.90 €
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Siren - closed system, area of use: security, power supply: Power plug
Shelly Presence Sensor Gen4, Black
79.90 €
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Motion Sesnor , connect through WiFi 2,4 GHz, open system with detection motion compatible with Manufacturer app, application in English, Czech and Slovak, power supply: Power...
Solight Wireless motion detector/gong
20.11 €
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Detector volume 65 - 80 dB(A), signal range max. 40m without obstacles, operational range of motion detection 0-8m, angle of view 15° vertically, angle of view 100° horizontally,...
Elektrobock LM-102
8.19 €
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, battery indication, cover material plastic, operating temperature from -10 to 40 °C, standalone...
IMMAX NEO Smart PIR sensor 2in1 Zigbee 3.0
18.75 €
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Motion Sesnor , open system with detection motion and Lights compatible with Apple Siri shortcuts, Tuya, Lidl Home, Smartlife, Nedis SmartLife, ETA SMART, Tesla Smart and Immax NEO...
Philips Hue Outdoor Motion Sensor
65.90 €
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Motion Sesnor , closed system with detection motion compatible with Apple Home and Philips Hue, power supply: Battery-Powered,
No longer sold
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