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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?
All from 348
FireAngel ST 622 Fire and Smoke Detector - Smoke Detector
FireAngel ST 622 Fire and Smoke Detector
Discounted -14 % 23.90 € 27.90 €
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Smoke Detector - battery-powered , acoustic signals, signal volume 85 dB, battery indication, features: test button and temporary shutdown, operating temperature from 4 to 38 °C,...
Added to cart
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BOT Smart WiFi GS3 - Gas Leak Detector
BOT Smart WiFi GS3
23.91 €
In stock > 10 pcs at the supplier's
Gas Leak Detector - mains power supply, notifications via push notifications, signal volume 70 dB, cover material plastic, operating temperature from -10 to 50 °C, ingress...
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CO-man Mini C11-L stand-alone carbon monoxide fire detector - Gas Leak Detector
CO-man Mini C11-L stand-alone carbon monoxide fire detector
23.91 €
In stock > 10 pcs at the supplier's
Gas Leak Detector - detects CO (carbon monoxide), measurement range to 999 ppm, battery-powered, acoustic signals, signal volume 85 dB, battery indication and display, cover...
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AQARA Motion Sensor P1 (MS-S02) - Motion Sesnor
AQARA Motion Sensor P1 (MS-S02)
23.99 €
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Motion Sesnor , connect through Radio frequency, open system with detection motion and Lights compatible with Apple Home, IFTTT and Aqara Home, range: security, application in...
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Smoot Air PIR - Motion Sesnor
Smoot Air PIR
24.80 €
In stock 3 pcs at the supplier's
Motion Sesnor , connect through WiFi 2,4 GHz, open system with detection motion compatible with Apple Siri shortcuts and Tuya, range: lighting and security, application in Czech,...
Added to cart
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MOES Human Presence Sensor + Light Sensor, Zigbee - Motion Sesnor
MOES Human Presence Sensor + Light Sensor, Zigbee
24.90 €
In stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Motion Sesnor , open system with detection motion, range: security, power supply: USB,
Added to cart
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SwitchBot Water Leak Detector with Sensor Cable - Sensor
SwitchBot Water Leak Detector with Sensor Cable
24.90 €
In stock > 5 pcs
2 colors
Order by midnight, get it at the AlzaBox in the morning.
Info
Sensor - with an extended sensor length of 1 meter, detection of water level thresholds as low as 0.5 mm, loud alarm, notifications to your mobile phone via the SwitchBot app,...
Added to cart
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Eve Water Guard Connected Water Leak Detector - Cable Extension - Extension Cable
Eve Water Guard Connected Water Leak Detector - Cable Extension
24.90 €
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Extension Cable -
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RETLUX RDT 301 - Gas Leak Detector
RETLUX RDT 301
24.90 €
In stock 3 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Gas Leak Detector - detects CO (carbon monoxide), measurement range from 100 to 300 ppm, gas detection sensitivity 50 ppm, battery-powered, acoustic signals, signal volume 85 dB,...
Added to cart
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Tellur WiFi Smart occupancy sensor, 2.4GHz radar sensor, USB-C, white - Motion Sesnor
Tellur WiFi Smart occupancy sensor, 2.4GHz radar sensor, USB-C, white
25.17 €
In stock 4 pcs at the supplier's
Motion Sesnor , connect through WiFi 2,4 GHz, closed system with detection motion compatible with Manufacturer app, range: security, power supply: USB,
Added to cart
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Alecto SA-102 - Smoke Detector
Alecto SA-102
25.17 €
In stock > 10 pcs at the supplier's
Smoke Detector - battery-powered , acoustic signals, signal volume 85 dB, battery indication, features: alarm, cover material plastic, operating temperature from -10 to 40 °C,...
Added to cart
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Meross Smart Water Leak Sensor - Sensor
Meross Smart Water Leak Sensor
25.90 €
In stock 3 pcs
2 colors
Order by midnight, get it at the AlzaBox in the morning.
Info
Sensor - water leak sensor, for a safe home, It works 24/7, powered by replaceable CR123A battery (lifetime 18 months), battery indicator, IP67 waterproof, alerts via the app, 60...
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Emos GS558 - Smoke Detector
Emos GS558
25.90 €
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Smoke Detector - battery-powered , acoustic, visual signals, signal volume 85 dB, battery indication, operating temperature from 10 to 40 °C, operating humidity from 30 to 95 %,...
Added to cart
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iGET SECURITY MP31 - Wireless PIR Curtain Motion Sensor for M6-4G Alarm - Motion Sesnor
iGET SECURITY MP31 - Wireless PIR Curtain Motion Sensor for M6-4G Alarm
New arrival 25.90 €
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Motion Sesnor , connect through Radio frequency, closed system with detection motion compatible with Manufacturer app, range: security, application in English, Czech, Slovak,...
Added to cart
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iGET SECURITY MP1 - Wireless Motion PIR Sensor for M6-4G Alarm, without animal detection up to 35kg - Motion Sesnor
iGET SECURITY MP1 - Wireless Motion PIR Sensor for M6-4G Alarm, without animal detection up to 35kg
New arrival 25.90 €
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Motion Sesnor , connect through Radio frequency, closed system with detection motion compatible with Manufacturer app, range: security, application in English, Czech, Slovak,...
Added to cart
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EZVIZ T1C PIR - Motion Sesnor
EZVIZ T1C PIR
25.90 €
In stock 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Add AlzaPlus+ and save instantly 19.43 €
Motion Sesnor , closed system with detection motion compatible with Google Home and EZVIZ, range: security, application in English, Czech, German and Hungarian, power supply:...
Added to cart
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ELEKTROBOCK SN131-RE Humidity Sensor - Humidity Sensor
ELEKTROBOCK SN131-RE Humidity Sensor
25.99 €
In stock 3 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Humidity Sensor
Added to cart
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ELEKTROBOCK SN131-TR Humidity Sensor - Humidity Sensor
ELEKTROBOCK SN131-TR Humidity Sensor
25.99 €
In stock 3 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Humidity Sensor
Added to cart
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BOT Smart Zigbee GS2 gas detector - Gas Leak Detector
BOT Smart Zigbee GS2 gas detector
26.43 €
In stock > 5 pcs at the supplier's
Gas Leak Detector - mains power supply, detection reach 20 m, acoustic signals, notifications via push notifications, signal volume 70 dB, features alarm, cover material plastic,...
Added to cart
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Philips Motion Sensor with Batteries - Motion Sesnor
Philips Motion Sensor with Batteries
26.90 €
In stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Motion Sesnor , connect through WiFi 2,4 GHz, open system with detection motion compatible with IFTTT and WiZ Connected, range: lighting, application in Czech, power supply:...
Added to cart
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TESLA Smart Gas Sensor - Gas Leak Detector
TESLA Smart Gas Sensor
26.90 €
In stock 3 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Gas Leak Detector - mains power supply, detection reach 50 m, acoustic, visual signals, notifications via push notifications, features reset, cover material plastic, operating...
Added to cart
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Elektrobock LM218A - Gas Leak Detector
Elektrobock LM218A
26.90 €
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
- detects CO (carbon monoxide), measurement range from 10 to 550 ppm, battery-powered, acoustic signals, signal volume 85 dB, display, features test button and alarm, cover...
Added to cart
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FireAngel FA6111 optical fire detector with LED emergency lighting - Smoke Detector
FireAngel FA6111 optical fire detector with LED emergency lighting
27.90 €
In stock 2 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Smoke Detector - battery-powered , acoustic signals, signal volume 85 dB, battery indication, operating temperature from 4 to 38 °C, operating humidity up to 90 %, standalone unit...
Added to cart
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FireAngel FA3313 CO detector with two replaceable AA batteries - Gas Leak Detector
FireAngel FA3313 CO detector with two replaceable AA batteries
27.90 €
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Gas Leak Detector - detects CO (carbon monoxide), battery-powered, acoustic signals, battery indication, features test button, temporary shutdown and self-diagnostics, cover...
Added to cart
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