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?
348
Results
Ajax DoorProtect Plus Black
Door and Window Sensor - wireless, compatible with Ajax, connect via Radio frequency, deviation angle adjustment and protection against sabotage, range of 1000m, central unit required, supported OS: Android, Windows and iOS, application in English
Shelly Presence Sensor Gen4, Black
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 plug,
79.90 €
In stock 2 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code:
Shell26039
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
Shelly Presence Sensor Gen4, White
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 plug,
QINGPING CO2 & Temperature & RH Monitor
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 with accuracy 5 %, display, features: hours, cover material plastic, input voltage 5 V, standalone unit, app language options: Czech and English, compatible with Android and iOS
Add AlzaPlus+ and save instantly
64.72 €
-3 % off new
80.90 €
New 83.90 €
Unsealed - in stock 2 pcs
Order Code:
QGP008a
Airbi CO2AIR digital carbon dioxide meter
Detector - CO₂ (carbon dioxide) detection, measurement range from 400 to 2400 ppm, mains + battery power, reaction time 6 s, display, independently functional unit
80.90 €
Unsealed - in stock 2 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code:
Airbi24001
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 - CO₂ (carbon dioxide) detection, measurement range from 400 to 2400 ppm, mains + battery power, reaction time 6 s, display, independently functional unit
81.90 €
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code:
Airbi24001
AQARA Presence Sensor FP2
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: lighting and security, application in English, Czech and Slovak, power supply: USB,
Add AlzaPlus+ and save instantly
74.69 €
82.99 €
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code:
Aqara23_002
QINGPING CO2 & Temperature & RH Monitor
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 with accuracy 5 %, display, features: hours, cover material plastic, input voltage 5 V, standalone unit, app language options: Czech and English, compatible with Android and iOS
Add AlzaPlus+ and save instantly
67.12 €
83.90 €
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code:
QGP008a
Nice battery operated motion sensor
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 English and Czech, power supply: Battery-Powered,
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
85.97 €
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code:
Air21TNG1
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
86.90 €
In stock 3 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code:
FIBR01c
Homematic IP Tilt and vibration sensor
Sensor - tilt and vibration sensor, closed system, central unit operation, Android OS + iOS, mobile notifications
Homematic IP PIR motion detector with brightness sensor - outdoor, anthracite - HmIP-SMO-A-2
Motion Sesnor , closed system with detection motion, range: security, power supply: Battery-Powered,
Homematic IP PIR motion detector with brightness sensor - outdoor - HmIP-SMO-2
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: Battery-Powered,
Ajax MotionProtect Black
Motion Sesnor , connect through Radio frequency with detection motion compatible with Ajax, range: security, application in English, power supply: Battery-Powered,
Ajax MotionProtect White
Motion Sesnor , connect through Radio frequency with detection motion compatible with Ajax, range: security, application in English and Czech, power supply: Battery-Powered,
ERMENRICH Gas detector NG40 84092
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 temperature from -20 to 50 °C, operating humidity up to 95%, degree of protection IP65, independently functional unit
GARNI 206 OneCare
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, humidity measurement from 1 to 99 % with accuracy 5 %, mains + battery-powered, visual signals, display, features: hours and alarm clock, cover material plastic, standalone unit
Homematic IP Smart Meter Interface
Sensor - interface for smart meters, closed system, operation via central unit, OS Android + iOS, mobile notifications
Homematic IP Interface for gas meter
Sensor - interface for gas meter, closed system, operation via central unit, OS Android + iOS, mobile notifications
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 + battery-powered, acoustic, visual signals, battery indication and display, cover material plastic, power cable included, compatible with Tuya and Smartlife, standalone unit, compatible with Android and iOS
101.90 €
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code:
GARNI19013
ELEKTROBOCK Air Quality Sensor SN121-AN
Air Quality Meter - detects CO₂ (carbon dioxide), measurement range from 400 to 5000 ppm, deviation 50 ppm, gas detection sensitivity 1 ppm, temperature measurement from 0 to 50 °C, humidity measurement with accuracy 5 %, mains power supply, reaction time 120 s, visual signals, battery indication, cover material plastic, operating temperature from 0 to 50 °C,, ingress protection IP20, input voltage 12 V and 48 V, standalone unit
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