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Cheap detectors

On this page you will find detectors at the lowest prices, more so all detectors ranked from the lowest to the highest price. It will be easier to see products that are now marked at their lowest price. The item with the lowest price in this category is iGET SECURITY P9 - wireless water level detector for iGET SECURITY M3B and M2B marked at 6.49 € incl. VAT. Is this what you’re looking for?

Eve Door & Window (Matter - compatible with Apple, Google, SmartThings & Amazon Alexa) - Door and Window Sensor

Eve Door & Window (Matter - compatible with Apple, Google, SmartThings & Amazon Alexa)

In stock > 5 pcs

Buy with code ALZADAYS25DE 43.43 € 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 ALZADAYS25DE. Das Angebot gilt bis zum 15. September 2025 oder solange der Vorrat reicht und ist nur für Endverbraucher bestimmt.

Door and Window Sensor - wireless, compatible with Apple Home, Google Home and Samsung SmartThings, connect via Bluetooth, central unit required, supported OS: Android and iOS,...

Eve Motion (Matter - compatible with Apple, Google, SmartThings & Amazon Alexa) - Motion Sesnor

Eve Motion (Matter - compatible with Apple, Google, SmartThings & Amazon Alexa)

In stock > 5 pcs

Buy with code ALZADAYS20DE 46.32 € 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 ALZADAYS20DE. Das Angebot gilt bis zum 15. September 2025 oder solange der Vorrat reicht und ist nur für Endverbraucher bestimmt.

Motion Sesnor , connect through Bluetooth, closed system with detection motion and Light compatible with Apple Home, Google Home and Samsung SmartThings, range: lighting, security...

Ubiquiti UniFi Protect Sense - Sensor

Ubiquiti UniFi Protect Sense

Sensor - Multisensor, Bluetooth 5.0 BLE, Motion, opening, Temperature, humidity, water

Nedis ZBDCO11WT - Gas Leak Detector

Nedis ZBDCO11WT

Ordered on request

Gas Leak Detector - detects CO (carbon monoxide), battery-powered, acoustic signals, notifications via push notifications, signal volume 85 dB, battery indication, features alarm,...

Homematic IP Smoke detector HmIP-SWSD-2 - Smoke Detector

Homematic IP Smoke detector HmIP-SWSD-2

In stock > 5 pcs

Buy with code ALZADAYS5DE 60.33 € 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 ALZADAYS5DE. Das Angebot gilt bis zum 26. Oktober 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...

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

In stock > 5 pcs

Air Quality Meter - detects temperature, humidity, TVOC (volatile organic compounds), temperature measurement with accuracy 1 °C, humidity measurement with accuracy 3 %,...

Ajax GlassProtect (8EU) ASP white (38109) - Vibration Detector

Ajax GlassProtect (8EU) ASP white (38109)

Currently Unavailable

Vibration Detector - detects vibration gas, battery-powered, compatible with Ajax and Manufacturer app, connection via radio waves, battery indication, adjustable sensitivity and...

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Ajax GlassProtect (8EU) ASP black - Vibration Detector

Ajax GlassProtect (8EU) ASP black

Currently Unavailable

Vibration Detector - detects vibration gas, battery-powered, compatible with Ajax and Manufacturer app, connection via radio waves, battery indication, adjustable sensitivity and...

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QINGPING CO2 & Temperature & RH Monitor - Air Quality Meter

QINGPING CO2 & Temperature & RH Monitor

In stock > 5 pcs

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...

Siemens Connected Home water leak detector SCH040ZB, ZigBee - Water Leak Detector

Siemens Connected Home water leak detector SCH040ZB, ZigBee

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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FIBARO Smoke Sensor - Smoke Detector

FIBARO Smoke Sensor

On the way 4 pcs

Expected 12/06/2026

Smoke Detector - detects temperature, temperature measurement from -20 to 100 °C, battery-powered , acoustic, visual signals, signal volume 85 dB, battery indication, features:...

Nedis WIFISA20CBK - Air Quality Meter

Nedis WIFISA20CBK

Currently Unavailable

Air Quality Meter - detects temperature, humidity, CO₂ (carbon dioxide), mains power supply, acoustic, visual signals, notifications via push notifications, battery indication and...

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EVOLVEO wireless outdoor siren for Alarmex / Sonix - Siren

EVOLVEO wireless outdoor siren for Alarmex / Sonix

Siren - closed system, area of use: security, power supply: Power plug

Airbi CO2AIR digital carbon dioxide meter - Detector

Airbi CO2AIR digital carbon dioxide meter

In stock > 5 pcs

Detector - CO₂ (carbon dioxide) detection, measurement range from 400 to 2400 ppm, mains + battery power, reaction time 6 s, display, independently functional unit

Nice battery operated motion sensor - Motion Sesnor

Nice battery operated motion sensor

Currently Unavailable

Motion Sesnor , connect through WiFi 2,4 GHz, closed system with detection motion compatible with Manufacturer app, range: lighting, security and home control, application in...

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FIBARO Flood Sensor - Water Leak Detector

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...

AQARA Presence Sensor FP2 - Motion Sesnor

AQARA Presence Sensor FP2

In stock > 5 pcs

Motion Sesnor , connect through WiFi 2,4 GHz and Bluetooth, closed system with detection motion and Light compatible with Apple Home, Google Home, IFTTT and Aqara Home, range:...

EMOS GoSmart Air Quality Monitor E30300 with Wifi - Air Quality Meter

EMOS GoSmart Air Quality Monitor E30300 with Wifi

94.90 € 99.90 €

In stock > 5 pcs

Air Quality Meter - detects temperature, humidity, CO₂ (carbon dioxide), measurement range from 400 to 5000 ppm, temperature measurement from 0 to 50 °C with accuracy 0.1 °C,...

GARNI 206 OneCare - Air Quality Meter

GARNI 206 OneCare

Currently Unavailable

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,...

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Eve Water Guard - Water Leak Detector - compatible with Thread - Water Leak Detector

Eve Water Guard - Water Leak Detector - compatible with Thread

Water Leak Detector - detects water gas, mains power, sound level: 100dB, compatible with Apple Home, Apple Siri shortcuts and Samsung SmartThings, connect via Bluetooth,...

GARNI 210T OneCare - Air Quality Meter

GARNI 210T OneCare

Air Quality Meter - detects temperature, humidity, dust particles, temperature measurement from -10 to 50 °C with accuracy 0.8 °C, humidity measurement with accuracy 5 %, mains +...

Netatmo Smart Indoor Air Quality Monitor - Air Quality Meter

Netatmo Smart Indoor Air Quality Monitor

In stock > 5 pcs

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...

Netatmo Smart Carbon Monoxide Alarm - Gas Leak Detector

Netatmo Smart Carbon Monoxide Alarm

Gas Leak Detector - battery-powered, notifications via push notifications, signal volume 85 dB, battery indication, cover material plastic, compatible with Apple Home, standalone...

Netatmo Smart Smoke Alarm - Smoke Detector

Netatmo Smart Smoke Alarm

In stock > 5 pcs

Smoke Detector - acoustic signals, notifications via push notifications, signal volume 85 dB, battery indication, features: alarm, cover material plastic, holder and mounting kit...

No longer sold

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