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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 Elektrobock CN11 Mini marked at 7.19 € incl. VAT. Is this what you’re looking for?

EVOLVEO wireless outdoor siren for Alarmex / Sonix - Siren

EVOLVEO wireless outdoor siren for Alarmex / Sonix

75.90 € New 81.90 €

Unsealed - in stock 1 pcs

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

Added to cart

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PIR motion detector - for 55 mm frame, indoor, anthracite - HmIP-SMI55-A - Motion Sesnor

PIR motion detector - for 55 mm frame, indoor, anthracite - HmIP-SMI55-A

Currently Unavailable

Motion Sesnor , connect through Radio frequency, closed system with detection motion, range: lighting, security and home control, application in English, Czech and German, power...

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FIBARO Motion Sensor - Motion Sesnor

FIBARO Motion Sensor

Motion Sesnor , connect through WiFi 2,4 GHz and Bluetooth with detection motion, Lights and temperature, range: security, application in English, Czech, German and Slovak, power...

Added to cart

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Airbi CO2AIR digital carbon dioxide meter - Detector

Airbi CO2AIR digital carbon dioxide meter

78.90 € New 81.90 €

Unsealed - in stock 1 pcs

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

Added to cart

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

Siemens Connected Home water leak detector SCH040ZB, ZigBee

Water Leak Detector - detects Water gas, battery-powered, reaction time: 2s, sound level: 60dB, compatible with Connected Home, battery indication, central unit required to...

Added to cart

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Ajax DoorProtect Plus White - Door and Window Sensor

Ajax DoorProtect Plus White

Currently Unavailable

Door and Window Sensor - wireless, compatible with Ajax, connect via Radio frequency, deviation angle adjustment and protection against sabotage, range of 1000m, central unit...

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Ajax DoorProtect Plus Black - Door and Window Sensor

Ajax DoorProtect Plus Black

In stock 4 pcs at the supplier's

Door and Window Sensor - wireless, compatible with Ajax, connect via Radio frequency, deviation angle adjustment and protection against sabotage, range of 1000m, central unit...

Added to cart

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Shelly Presence Sensor Gen4, Black - Motion Sesnor

Shelly Presence Sensor Gen4, Black

2 colors

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...

Added to cart

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FIBARO Smoke Sensor - Smoke Detector

FIBARO Smoke Sensor

Ordered on request

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

Added to cart

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Shelly Presence Sensor Gen4, White - Motion Sesnor

Shelly Presence Sensor Gen4, White

2 colors

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...

Added to cart

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EVOLVEO wireless outdoor siren for Alarmex / Sonix - Siren

EVOLVEO wireless outdoor siren for Alarmex / Sonix

In stock > 5 pcs

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

Added to cart

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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

Added to cart

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QINGPING CO2 & Temperature & RH Monitor - Air Quality Meter

QINGPING CO2 & Temperature & RH Monitor

82.90 € New 83.90 €

Unsealed - in stock 2 pcs

Add AlzaPlus+ and save instantly 66.32 €

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...

Added to cart

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AQARA Presence Sensor FP2 - Motion Sesnor

AQARA Presence Sensor FP2

In stock > 5 pcs

Add AlzaPlus+ and save instantly 74.69 €

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

Added to cart

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QINGPING CO2 & Temperature & RH Monitor - Air Quality Meter

QINGPING CO2 & Temperature & RH Monitor

In stock > 5 pcs

Add AlzaPlus+ and save instantly 67.12 €

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...

Added to cart

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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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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 %,...

Added to cart

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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...

Added to cart

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Homematic IP Tilt and vibration sensor - Sensor

Homematic IP Tilt and vibration sensor

Currently Unavailable

Sensor - tilt and vibration sensor, closed system, central unit operation, Android OS + iOS, mobile notifications

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Homematic IP PIR motion detector with brightness sensor - outdoor, anthracite - HmIP-SMO-A-2 - Motion Sesnor

Homematic IP PIR motion detector with brightness sensor - outdoor, anthracite - HmIP-SMO-A-2

Currently Unavailable

Motion Sesnor , closed system with detection motion, range: security, power supply: Battery-Powered,

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Homematic IP PIR motion detector with brightness sensor - outdoor - HmIP-SMO-2 - Motion Sesnor

Homematic IP PIR motion detector with brightness sensor - outdoor - HmIP-SMO-2

Currently Unavailable

Motion Sesnor , connect through WiFi 2,4 GHz, closed system with detection motion, range: lighting, heating and cooling and security, application in Czech, power supply:...

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Ajax MotionProtect Black - Motion Sesnor

Ajax MotionProtect Black

Currently Unavailable

Motion Sesnor , connect through Radio frequency with detection motion compatible with Ajax, range: security, application in English, power supply: Battery-Powered,

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Ajax MotionProtect White - Motion Sesnor

Ajax MotionProtect White

Currently Unavailable

Motion Sesnor , connect through Radio frequency with detection motion compatible with Ajax, range: security, application in English and Czech, power supply: Battery-Powered,

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ERMENRICH Gas detector NG40 84092 - Gas Leak Detector

ERMENRICH Gas detector NG40 84092

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...

Added to cart

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No longer sold

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