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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 171 products to choose from. Customers have the most interest in SONOFF SNZB-05P Zigbee Water Leak Sensor & Detection Cable, which you can buy for 16.90 € incl. VAT. If you’re intrested in detectors in terms of the highest reviews, then look at the detectors reviews and tests category.
171 Results
4.6
iGET SECURITY EP10 - wireless vibration sensor for iGET M5-4G alarm
Detector vibration detection sensor for iGET SECURITY M5 alarm. It is used for windows, showcases, valuable things like TV, antiques, etc. As soon as a minor shock occurs, the sensor immediately sounds an alarm. Protection against sabotage, highest transmission security 256bit, very long battery life of 5 years, the alarm constantly monitors the activity of this sensor, also a signal, battery percentage and more.
19.90 €
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In stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: iGt21018
4.0
iGET SECURITY EP9 - wireless water sensor for iGET M5-4G alarm
Detector water detection sensor for iGET SECURITY M5 alarm. It is used for water detection in bathrooms, technical rooms, tanks, etc., wherever there is a risk of water flooding. As soon as the detection plate detects water, the transmitter informs the alarm. Protection against sabotage, highest transmission security 256bit, very long battery life of 5 years, the alarm constantly monitors the activity of this sensor, also a signal, battery percentage and more.
20.90 €
Currently Unavailable
Order Code: iGt21017
3.7 24×
iGET SECURITY EP1 - wireless PIR motion sensor for iGET M5-4G alarm
Detector PIR motion sensor for iGET SECURITY M5 alarm. Protection against sabotage, highest transmission security 256bit, very long battery life of 5 years, the alarm constantly monitors the activity of this sensor, also a signal, battery percentage and more. Special magnetic holder for attachment containing trigger.
26.90 €
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In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: iGt21015
4.9 12×
Airthings Corentium Home (224 B/m3) - digital radon detector
Air Quality Meter - detects radon, battery-powered, display, features: memory, cover material plastic, operating temperature from 4 to 40 °C, battery included, standalone unit
154.90 €
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In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Air21TNG4
4.3 15×
Airthings Wave plus - air quality, radon, humidity, temperature, VOC, CO2 and pressure sensor
Air Quality Meter - detects temperature, humidity, air pressure, TVOC (volatile organic compounds), radon, CO₂ (carbon dioxide), measurement range from 400 to 5000 ppm, deviation 30 ppm, temperature measurement with accuracy 0.1 °C, humidity measurement with accuracy 1 %, battery-powered, visual signals, notifications via push notifications, battery indication, cover material plastic, operating temperature from 4 to 40 °C, operating humidity to 85 %, battery and mounting kit included, standalone unit requires a central hub, app language: English, compatible with Android and iOS
296.90 €
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In stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Air21TNG2
4.2 12×
Airthings Wave mini - air quality, humidity, temperature and air chemicals sensor
Air Quality Meter - detects temperature, humidity, TVOC (volatile organic compounds), temperature measurement with accuracy 1 °C, humidity measurement with accuracy 3 %, battery-powered, visual signals, notifications via push notifications, battery indication, operating temperature from 4 to 40 °C, holder and battery included, standalone unit requires a central hub, app language: English, compatible with Android and iOS
68.90 €
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In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Air21TNG1
4.3
iGET SECURITY P1v2 - wireless PIR motion detector
Motion Sesnor accessories for iGET SECURITY M3B and M2B alarm system - Wireless PIR motion detector for monitoring movement in the room
16.90 €
Currently Unavailable
Order Code: iGt21010
5.0
WOOX Smart Water Leak Sensor R7050
Water Leak Detector - detects water gas,, compatible with Tuya, central unit required to function,, app with Czech language support, app with Czech and English language support for Android and iOS
Discounted -4 % 21.90 € 22.90 €
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In stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Woox22_18
4.0
Shelly Gas, CNG Gas Detector, Alarm: Flashing LED & Acoustic Signal, WiFi
Detector - Shelly GAS is a compact and highly sensitive CNG natural gas detector, bringing additional security for your home and family. Alarm: flashing LED & acoustic signal. Alarm sensitivity: 6% LEL, noise level: ?70dB. Smart switching: Yes. Local and remote control: Yes. Dimensions: 89.5mm x 89.5mm x 38mm. Connection not included. Mobile app available in Czech, Slovak, English and other languages.
Discounted -13 % 53.90 € 62.14 €
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In stock 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: SHELLa0009
24.90 €
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On the way > 5 pcs
Expected 19/06/2026
Order Code: EVE1004
4.8 28×
Philips Hue Outdoor Motion Sensor
Motion Sesnor , closed system with detection motion compatible with Apple Home and Philips Hue, power supply: Battery-Powered,
52.90 €
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In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: PHL19021
4.4 46×
Netatmo Smart Smoke Alarm
Smoke Detector - acoustic signals, notifications via push notifications, signal volume 85 dB, battery indication, features: alarm, cover material plastic, holder and mounting kit included, standalone unit, app language options: Czech and English , compatible with Android and iOS
88.90 €
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In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: NET007f
4.4 67×
EVOLVEO Defender D5
Gas Leak Detector - detects CO (carbon monoxide), battery-powered, acoustic, visual signals, signal volume 85 dB, battery indication and display, features test button and self-diagnostics, mounting kit included, standalone unit
37.90 €
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In stock 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: RY211
4.8 182×
Philips Hue Motion Sensor
Motion Sesnor , connect through Bluetooth, open system with detection motion compatible with Apple Home, range: lighting, application in English, Czech, German, Slovak and Hungarian, power supply: Battery-Powered,
39.90 €
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In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: ESO521g15
3.8 46×
Netatmo Smart Indoor Air Quality Monitor
Air Quality Meter - detects temperature, humidity, noise, measurement range from 0 to 5000 ppm, deviation 50 ppm, gas detection sensitivity 50 ppm, temperature measurement from 0 to 50 °C with accuracy 0.3 °C, humidity measurement with accuracy 3 %, mains power supply, visual signals, cover material metal, operating temperature from 0 to 50 °C,, ingress protection IP20, input voltage 5 V, power cable included, standalone unit, app language: English, compatible with Android and iOS
109.90 €
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In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: NET001e
4.6
iGET SECURITY P17 - wireless PIR motion detector without animal detection for iGET SECURITY M3B and
Motion Sesnor , connect through Radio frequency with detection motion, range: security, power supply: Battery-Powered,
20.90 €
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In stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: NU111
4.7 13×
FIBARO Smoke Sensor
Smoke Detector - detects temperature, temperature measurement from -20 to 100 °C, battery-powered , acoustic, visual signals, signal volume 85 dB, battery indication, features: alarm, operating temperature from 0 to 55 °C, operating humidity from 0 to 93 %, battery included, standalone unit requires a central hub, app language options: Czech and English
77.90 €
Buy
On the way 1 pcs
Expected 29/06/2026
Order Code: FIBR01f
4.1
FIBARO Flood Sensor
Water Leak Detector - detects temperature and water gas, battery-powered, connect via Bluetooth, standalone functional unit,, app with Czech language support, app with Czech and English language support for Android and iOS
84.90 €
Buy
In stock 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: FIBR01c
4.7 16×
FIBARO Motion Sensor
Motion Sesnor , connect through WiFi 2,4 GHz and Bluetooth with detection motion, Light and temperature, range: security, application in English, Czech, German and Slovak, power supply: Battery-Powered,
56.90 €
Buy
In stock 3 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: FIBR01b
4.8 30×
iGET SECURITY M3P1 - wireless PIR motion detector for iGET SECURITY M3 and M4
Motion Sesnor , connect through Radio frequency, open system with detection motion, range: security, power supply: Battery-Powered,
from  18.10 €
Currently Unavailable
Order Code: NU106b
4.6 14×
iGET SECURITY P14 - wireless smoke detector for iGET SECURITY M3B and M2B
Smoke Detector - battery-powered , reaction time 1 s, acoustic, visual signals, notifications via SMS, signal volume 85 dB, features: test button, cover material plastic, operating temperature from 5 to 50 °C, operating humidity from 20 to 90 %, compatible with iGet Home, standalone unit
19.90 €
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: NU105z
4.5
iGET SECURITY P10 - wireless vibration detector for iGET SECURITY M3B and M2B
Vibration Detector - detects vibration gas, battery-powered, range: 80 m, connect via GSM, battery indication, central unit required to function
8.70 €
Currently Unavailable
Order Code: NU105t
3.8
iGET SECURITY P9 - wireless water level detector for iGET SECURITY M3B and M2B
Water Leak Detector - detects water gas, battery-powered, range: 80 m, connect via GSM, battery indication, central unit required to function
Amazing Deal 6.59 €
Currently Unavailable
Order Code: NU105r
4.7 23×
EVOLVEO wireless PIR motion sensor for Alarmex/Sonix with tamper protection
Motion Sesnor , closed system with detection motion, range: security, power supply: Battery-Powered,
Great price from  21.17 €
Buy
In stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: RY203g
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