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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?
All from 176
Philips Hue Motion Sensor - Motion Sesnor
Philips Hue Motion Sensor
36.90 €
In stock > 5 pcs
Motion Sesnor , connect through Bluetooth, open system with detection motion compatible with Apple Home, range: lighting, application in English, Czech, German, Slovak and...
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MOES CO Detector, Zigbee - Gas Leak Detector
MOES CO Detector, Zigbee
37.90 €
In stock > 5 pcs
Gas Leak Detector - detects CO (carbon monoxide), battery-powered, acoustic signals, notifications via push notifications, signal volume 85 dB, battery indication, features...
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MOES Mini CO Detector, grey - Gas Leak Detector
MOES Mini CO Detector, grey
39.90 €
In stock > 5 pcs
2 colors
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...
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MOES Mini CO Detector, orange - Gas Leak Detector
MOES Mini CO Detector, orange
39.90 €
In stock > 5 pcs
2 colors
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...
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SAFE Dry Relay - Smart Module
SAFE Dry Relay
40.90 €
In stock 2 pcs
Smart Module - wireless relay for switching external devices, 1× NO/NC relay (0-36 V DC, max. 5 A), 1× sabotage input, encrypted communication 868.0-868.6 MHz (AES128),...
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SAFE Water Guard, white - Sensor
SAFE Water Guard, white
40.90 €
In stock 3 pcs
Sensor - wireless water leak detector, the detector is powered by a replaceable battery that allows continuous operation for up to 3 years, colour white
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SAFE Fire Guard, white - Sensor
SAFE Fire Guard, white
40.90 €
Currently Unavailable
Sensor - wireless fire detector with groundbreaking dual-spectrum detection and SIC technology, It can operate in a SAFE system or completely autonomously. Battery powered for up...
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SAFE - CO detector SAFE 10YDCO-PRO - Gas Leak Detector
SAFE - CO detector SAFE 10YDCO-PRO
40.90 €
In stock > 5 pcs
Gas Leak Detector - detects CO (carbon monoxide), battery-powered, acoustic, visual signals, signal volume 85 dB, battery indication, operating temperature from -10 to 55 °C,...
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Eufy Security Water and Freeze Sensor - Water Leak Detector
Eufy Security Water and Freeze Sensor
41.90 €
In stock 3 pcs
Buy with code ALZADAYS20DE 33.52 € 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 ALZADAYS20DE. Das Angebot gilt bis zum 15. September 2025 oder solange der Vorrat reicht und ist nur für Endverbraucher bestimmt.
Water Leak Detector - detects water gas, battery-powered, range: 200 m, compatible with Google Home and Manufacturer app, connect via WiFi 2,4 GHz, central unit required to...
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Imou gas sensor/detector ZGA1 - Gas Leak Detector
Imou gas sensor/detector ZGA1
42.90 €
Ordered on request
Gas Leak Detector - mains power supply, detection reach 200 m, acoustic, visual signals, notifications via push notifications, signal volume 85 dB, features self-diagnostics,...
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Honeywell Home R200S-N2 Interconnected fire detector alarm - smoke (optical) principle, battery oper - Smoke Detector
Honeywell Home R200S-N2 Interconnected fire detector alarm - smoke (optical) principle, battery oper
42.90 €
In stock > 5 pcs
Smoke Detector - temperature measurement from 0 to 70 °C, battery-powered , acoustic signals, signal volume 85 dB, features: test button, cover material plastic, operating...
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EVOLVEO SecuPro, wireless siren with solar power - Siren
EVOLVEO SecuPro, wireless siren with solar power
45.90 €
Currently Unavailable
Siren - closed system, area of use: security, power supply: Battery-Powered, Solar and USB
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Honeywell Home R200ST-N2 Interconnected fire alarm detector - smoke (optical) and temperature princi - Smoke Detector
Honeywell Home R200ST-N2 Interconnected fire alarm detector - smoke (optical) and temperature princi
46.90 €
In stock > 5 pcs
Buy with code ALZADAYS10DE 42.21 € The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Erhalten Sie 10 % Rabatt mit dem Code ALZADAYS10DE. Das Angebot gilt bis zum 15. September 2025 oder solange der Vorrat reicht und ist nur für Endverbraucher bestimmt.
Smoke Detector - temperature measurement from 0 to 70 °C, battery-powered , acoustic signals, signal volume 85 dB, features: test button, cover material plastic, operating...
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SAFE Door Guard Plus, white - Sensor
SAFE Door Guard Plus, white
47.90 €
In stock 3 pcs
Sensor - wireless magnetic open, shock and tilt detector for window and door security Powered by a replaceable battery that allows continuous operation for up to 4 years, white...
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SAFE Glass Guard, white - Sensor
SAFE Glass Guard, white
48.90 €
In stock 3 pcs
Sensor - wireless glass breakage detector for security of glazed surfaces equipped with two NC inputs, Multi-factor glass breakage detection with the possibility of remote...
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FIBARO Motion Sensor - Motion Sesnor
FIBARO Motion Sensor
Discounted -29 % 48.90 € 68.90 €
In stock 3 pcs
4 variants
Motion Sesnor , connect through WiFi 2,4 GHz and Bluetooth with detection motion, Light and temperature, range: security, application in English, Czech, German and Slovak, power...
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EZVIZ Smoke detector T4C - Smoke Detector
EZVIZ Smoke detector T4C
49.90 €
In stock > 5 pcs
Smoke Detector - battery-powered , acoustic, visual signals, notifications via push notifications, signal volume 85 dB, battery indication, features: test button and temporary...
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Philips Hue Outdoor Motion Sensor - Motion Sesnor
Philips Hue Outdoor Motion Sensor
49.90 €
In stock > 5 pcs
Motion Sesnor , closed system with detection motion compatible with Apple Home and Philips Hue, power supply: Battery-Powered,
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AQARA Presence Sensor FP1E (PS-S03D), Zigbee - Motion Sesnor
AQARA Presence Sensor FP1E (PS-S03D), Zigbee
49.99 €
In stock 5 pcs
Motion Sesnor , connect through Radio frequency, open system with detection motion compatible with Aqara Home and Manufacturer app, range: lighting and security, application in...
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WiZ Contact sensor 2pack - Door and Window Sensor
WiZ Contact sensor 2pack
50.44 €
Currently Unavailable
Door and Window Sensor - wireless, compatible with Google Home and Manufacturer app, connect via WiFi 2,4 GHz, battery indication, night orientation light and adjustable...
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Shelly Gas, CNG Gas Detector, Alarm: Flashing LED & Acoustic Signal, WiFi - Detector
Shelly Gas, CNG Gas Detector, Alarm: Flashing LED & Acoustic Signal, WiFi
50.90 €
In stock > 5 pcs
Detector - Shelly GAS is a compact and highly sensitive CNG natural gas detector, bringing additional security for your home and family. Alarm: flashing LED & acoustic signal....
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SAFE Motion Guard, white - Sensor
SAFE Motion Guard, white
52.90 €
In stock 5 pcs
Sensor - wireless motion detector equipped with dual PIR sensor detecting motion at a distance of up to 12 meters, PET immunity up to a weight of 18 kg and 50 cm height, The...
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EVOLVEO Alarmex Pro ( ACSALMOUS) wireless outdoor light and sound siren - Siren
EVOLVEO Alarmex Pro ( ACSALMOUS) wireless outdoor light and sound siren
52.90 €
In stock 3 pcs
Siren - closed system, area of use: security, OS supported: Android and iOS, compatible with Manufacturer app, power supply: Power plug, in Czech and English
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Honeywell Home R200C-N2, Connected Carbon Monoxide Detector and Detector, CO Alarm - Gas Leak Detector
Honeywell Home R200C-N2, Connected Carbon Monoxide Detector and Detector, CO Alarm
56.90 €
In stock > 5 pcs
Buy with code ALZADAYS10DE 51.21 € The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Erhalten Sie 10 % Rabatt mit dem Code ALZADAYS10DE. Das Angebot gilt bis zum 15. September 2025 oder solange der Vorrat reicht und ist nur für Endverbraucher bestimmt.
Gas Leak Detector - detects CO (carbon monoxide), smoke, measurement range from 3 to 330 ppm, gas detection sensitivity 28 ppm, battery-powered, detection reach 100 m, acoustic...
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