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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 166 products to choose from. Customers have the most interest in SONOFF SNZB-05P Zigbee Water Leak Sensor & Detection Cable, which you can buy for 14.90 € 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 166
EMOS PIR sensor (motion sensor) IP20, 1200 W, 360°, built-in - Motion Sesnor
EMOS PIR sensor (motion sensor) IP20, 1200 W, 360°, built-in
New arrival 11.39 €
Ordered on request
Motion Sesnor with detection motion, range: lighting, power supply: Power plug,
EMOS Microwave sensor (motion sensor) IP20, 1200 W, 360°, built-in - Motion Sesnor
EMOS Microwave sensor (motion sensor) IP20, 1200 W, 360°, built-in
New arrival 19.56 €
Ordered on request
Motion Sesnor with detection motion, range: lighting, power supply: Power plug,
Ajax MotionCam HDR, black - Motion Sesnor
Ajax MotionCam HDR, black
Discounted -23 % 162.90 € 212.03 €
In stock 2 pcs
2 colors
Motion Sesnor , closed system with detection motion compatible with Ajax, range: security, application in English, Czech and Slovak, power supply: Battery-Powered,
Ajax MotionCam HDR (PhOD) Jeweller, white - Motion Sesnor
Ajax MotionCam HDR (PhOD) Jeweller, white
175.90 €
In stock 2 pcs
2 colors
Motion Sesnor , closed system with detection motion compatible with Ajax, range: security, application in English, Czech and Slovak, power supply: Battery-Powered,
Ajax MotionCam HDR (PhOD) Jeweller, black - Motion Sesnor
Ajax MotionCam HDR (PhOD) Jeweller, black
178.90 €
In stock 2 pcs
2 colors
Motion Sesnor , closed system with detection motion compatible with Ajax, range: security, application in English, Czech and Slovak, power supply: Battery-Powered,
Ajax MotionCam HDR, white - Motion Sesnor
Ajax MotionCam HDR, white
159.90 €
In stock 2 pcs
2 colors
Motion Sesnor , closed system with detection motion compatible with Ajax, range: security, application in English, Czech and Slovak, power supply: Battery-Powered,
SAFE Water Guard, white - Sensor
SAFE Water Guard, white
40.90 €
In stock 2 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Sensor - wireless water leak detector, the detector is powered by a replaceable battery that allows continuous operation for up to 3 years, colour white
AVATTO Zigbee Water Sensor - Sensor
AVATTO Zigbee Water Sensor
Price has not been set
Price has not been set
Currently Unavailable
Sensor - ZigBee connection (ZigBee gateway required), compatible with Tuya/Smart Life, water leak detection (probe), in-app notifications (push notifications), local alarm, history...
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Solight CO flue gas detector, 85 dB - Gas Leak Detector
Solight CO flue gas detector, 85 dB
15.90 €
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Gas Leak Detector - detects CO (carbon monoxide), measurement range from 50 ppm, gas detection sensitivity 50 ppm, battery-powered, acoustic, visual signals, signal volume 85 dB,...
Siemens Connected Home water leak detector SCH040ZB, ZigBee - Water Leak Detector
Siemens Connected Home water leak detector SCH040ZB, ZigBee
77.18 €
Currently Unavailable
Water Leak Detector - detects water gas, battery-powered, reaction time: 2s, sound level: 60dB, compatible with Connected Home, battery indication, central unit required to...
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Shelly Gen4 Flood, flood sensor, Bluetooth - Water Leak Detector
Shelly Gen4 Flood, flood sensor, Bluetooth
36.90 €
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Water Leak Detector - detects Humidity and water gas, battery-powered, range: 2 m, sound level: 50dB, compatible with Apple Home, Google Home, Manufacturer app and Home Assistant,...
Meross Smart Water Leak Sensor - Sensor
Meross Smart Water Leak Sensor
16.90 €
Currently Unavailable
Buy with code ALZADAYS20AT 13.52 € The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Erhalten Sie 20 % Rabatt mit dem Code ALZADAYS20AT. Das Angebot gilt bis zum 15. September 2025 oder solange der Vorrat reicht und ist nur für Endverbraucher bestimmt.
Sensor - dual detection probe (upper and lower), detection of small droplets and larger leaks, instant acoustic alarm 100 dB, alerts via push notifications to your phone,...
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Homematic IP Smoke detector HmIP-SWSD-2 - Smoke Detector
Homematic IP Smoke detector HmIP-SWSD-2
64.04 €
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Buy with code ALZADAYS5AT 60.84 € The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Erhalten Sie 5 % Rabatt mit dem Code ALZADAYS5AT. Das Angebot gilt bis zum 15. September 2025 oder solange der Vorrat reicht und ist nur für Endverbraucher bestimmt.
Smoke Detector - battery-powered , detection reach 40 m, acoustic, visual signals, signal volume 85 dB, battery indication, features: test button, cover material plastic, operating...
Philips Hue Enrave S white + Philips Hue Motion Sensor - Ceiling Light
Philips Hue Enrave S white + Philips Hue Motion Sensor
169.90 €
In stock > 5 pcs
4 sizes
Order by midnight, get it at the AlzaBox in the morning.
Info
Buy with code ALZADAYS15AT 144.42 € The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Erhalten Sie 15 % Rabatt mit dem Code ALZADAYS15AT. Das Angebot gilt bis zum 15. September 2025 oder solange der Vorrat reicht und ist nur für Endverbraucher bestimmt.
Ceiling Light - LED, dimmable, luminous flux 1220 lm, adjustable light temperature, connects via Bluetooth, control via app in Czech, compatible with Apple Home, height 6,6 cm,...
AQARA Vibration Sensor T1 (VB-S01D) - Vibration Detector
AQARA Vibration Sensor T1 (VB-S01D)
18.90 €
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Vibration Detector - detects Opening windows and doors, Fall and vibration gas, battery-powered, reaction time: 1s, compatible with Apple Home and Manufacturer app, battery...
Airthings Corentium Home 2 - Smart radon detector - Air Quality Meter
Airthings Corentium Home 2 - Smart radon detector
182.90 €
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,...
QINGPING CO2 & Temperature & RH Monitor - Air Quality Meter
QINGPING CO2 & Temperature & RH Monitor
73.90 €
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Air Quality Meter - detects gas, temperature, humidity, measurement range from 400 to 9999 ppm, temperature measurement from -20 to 50 °C with accuracy 0.5 °C, humidity measurement...
MOES Vibration Sensor, Zigbee - Vibration Detector
MOES Vibration Sensor, Zigbee
18.90 €
Currently Unavailable
Vibration Detector - detects vibration gas, battery-powered, range: 30 m, compatible with Tuya and Smartlife, connect via WiFi 5 GHz, battery indication and adjustable sensitivity,...
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MOES Human Presence Sensor + Light Sensor, Zigbee - Motion Sesnor
MOES Human Presence Sensor + Light Sensor, Zigbee
24.90 €
Currently Unavailable
Motion Sesnor , open system with detection motion, range: security, power supply: USB,
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MOES Human Presence Sensor + Light Sensor, Zigbee - Motion Sesnor
MOES Human Presence Sensor + Light Sensor, Zigbee
35.90 €
Currently Unavailable
Buy with code ALZADAYS25AT 26.93 € The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Erhalten Sie 25 % Rabatt mit dem Code ALZADAYS25AT. Das Angebot gilt bis zum 15. September 2025 oder solange der Vorrat reicht und ist nur für Endverbraucher bestimmt.
Motion Sesnor , connect through WiFi 2,4 GHz, open system with detection motion compatible with Tuya, Smartlife and MOES, range: security, power supply: USB,
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MOES Mini CO Detector, grey - Gas Leak Detector
MOES Mini CO Detector, grey
39.90 €
In stock 1 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...
MOES Human Presence Sensor + Light Sensor, WiFi - Motion Sesnor
MOES Human Presence Sensor + Light Sensor, WiFi
22.90 €
In stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Buy with code ALZADAYS25AT 17.18 € The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Erhalten Sie 25 % Rabatt mit dem Code ALZADAYS25AT. Das Angebot gilt bis zum 15. September 2025 oder solange der Vorrat reicht und ist nur für Endverbraucher bestimmt.
Motion Sesnor , connect through WiFi 2,4 GHz, open system with detection motion, Light and Human presence compatible with Tuya, Smartlife and MOES, range: lighting, security and...
MOES Mini CO Detector, orange - Gas Leak Detector
MOES Mini CO Detector, orange
39.90 €
In stock 1 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, reaction time 2 s, acoustic signals, battery indication and display, features alarm, cover material plastic, operating...
IMMAX NEO Smart 3in1 PIR, occupancy and light sensor, Zigbee 3.0 - Sensor
IMMAX NEO Smart 3in1 PIR, occupancy and light sensor, Zigbee 3.0
36.90 €
In stock 2 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Sensor - 3in1 PIR sensor, presence and lighting, Zigbee 3.0 (Tuya) is a smart device, which combines motion detection (PIR), monitoring the presence of people and measuring light...
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