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 SONOFF WLDC200 Water Leak Detection Cable marked at 7.63 € incl. VAT. Is this what you’re looking for?
223 Results
4.4 8×
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MOES Gas Leakage Detector, Zigbee
Gas Leak Detector - detects natural gas, mains power supply, acoustic signals, notifications via push notifications, signal volume 70 dB, battery indication, features alarm, cover material plastic, operating temperature from -10 to 55 °C, operating humidity up to 95 %, mounting kit included, compatible with Tuya and MOES, requires a central hub, app language options: Czech and English , compatible with Android and iOS
Great price 30.90 €
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In stock > 5 pcs
Order Code: Moes22_41
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EVOLVEO Wireless 360° PIR Ceiling Motion Sensor for Sonix
Motion Sesnor , connect through Radio frequency, closed system with detection motion, range: security, application in English, Czech, Slovak and Hungarian, power supply: Battery-Powered,
  30.90 €
Currently Unavailable
Order Code: EVolv08
4.3 11×
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Eve Door & Window (Matter - compatible with Apple, Google, SmartThings & Amazon Alexa)
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, application in English
-22 % off new 31.90 € New 40.90 €
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Unsealed 1 pcs
Order Code: Eve23_02
4.9 7×
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Eufy Motion Sensor - White
Motion Sesnor , connect through WiFi 2,4 GHz, closed system with detection motion, range: security, application in English, power supply: Battery-Powered,
  32.90 €
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In stock > 5 pcs
Order Code: AnkEuf21_01
3.9 12×
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iQtech Smartlife SS03 Zigbee Smoke sensor, Zigbee 3.0
Smoke Detector - battery-powered , detection reach 10 m, notifications via push notifications, battery indication, features: alarm, cover material plastic, compatible with Tuya and Smartlife, requires a central hub, app language options: Czech and English , compatible with Android and iOS
  32.90 €
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In stock > 5 pcs
Order Code: iQ21TECH144
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X-Sense XH02-M RF Temperature Sensor for SB550 Station
Temperature Sensor
  32.90 €
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In stock 5 pcs
Order Code: XSEN26010
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X-Sense SBS50 Base Station for the X-Sense RF Security System
Smart Module - X-Sense central unit, connects up to 50 RF devices and sends notifications to the app
  32.90 €
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In stock > 5 pcs
Order Code: XSEN26006
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X-Sense XC0C-iR Wi-Fi CO Detector
Gas Leak Detector - detects CO (carbon monoxide), measurement range from 30 to 999 ppm, battery-powered, reaction time 1 s, acoustic, visual signals, notifications via push notifications, signal volume 85 dB, battery indication, display and protection against sabotage, features test button, hours and alarm, cover material plastic, operating temperature from 4,4 to 38 °C, operating humidity from 10 to 85 %, ingress protection IP20, mounting kit included, standalone unit, app language options: Czech and English , compatible with Android and iOS
  32.90 €
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On the way > 5 pcs
Expected 19/10/2026
Order Code: XSEN26005
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X-Sense XS01-M RF Smoke Detector for the SB550 Station
Smoke Detector - battery-powered , detection reach 500 m, reaction time 1 s, acoustic, visual signals, notifications via push notifications, signal volume 85 dB, battery indication and protection against sabotage, features: test button and alarm, cover material plastic, operating temperature from -4 to 38 °C, operating humidity from 0 to 85 %, ingress protection IP20, mounting kit included, requires a central hub, app language options: Czech and English , compatible with Android and iOS
  32.90 €
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In stock > 5 pcs
Order Code: XSEN26002
2.0 3×
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EVOLVEO Alarmex Pro (ACSALMPIRP) wireless PIR motion sensor with immunity to small animal movement
Motion Sesnor , connect through WiFi 2,4 GHz and GSM, closed system with detection motion compatible with Tuya, range: security, power supply: Battery-Powered,
-10 % off new 33.90 € New 37.90 €
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Unsealed 1 pcs
Order Code: EVO22_13
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SIGNIFY 17476/87/PN Virginia outdoor PIR motion sensor IP44, grey
Motion Sesnor with detection motion compatible with Manufacturer app, range: security,
  34.64 €
Currently Unavailable
Order Code: HOMEaaa1419
3.0 2×
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MOES Human Presence Sensor + Light Sensor, Zigbee
Motion Sesnor , connect through WiFi 2,4 GHz, open system with detection motion compatible with Tuya, Smartlife and MOES, range: security, power supply: USB,
  35.90 €
Currently Unavailable
Order Code: Moes2507
5.0 2×
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Shelly Gen4 Flood, flood sensor, Bluetooth
Water Leak Detector - detects Humidity and Water gas, battery-powered, range: 2 m, sound level: 50dB, compatible with Apple Home, Google Home, Manufacturer app and Home Assistant, connect via WiFi 2,4 GHz and Bluetooth, battery indication, standalone functional unit,, app with Czech language support, app with Czech and English language support for Android, Windows and iOS
  36.90 €
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In stock > 5 pcs
Order Code: Shell25034
4.0 3×
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MOES Smoke Detector, Zigbee
Smoke Detector - temperature measurement from 0 to 55 °C, battery-powered , detection reach 15 m, acoustic signals, notifications via push notifications, signal volume 85 dB, battery indication, features: alarm, cover material plastic, operating temperature from 0 to 55 °C, battery and mounting kit included, requires a central hub, app language options: Czech and English , compatible with Android and iOS
  36.90 €
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In stock > 5 pcs
Order Code: Moes22_38
4.9 8×
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MOES CO Detector, Zigbee
Gas Leak Detector - detects CO (carbon monoxide), battery-powered, acoustic signals, notifications via push notifications, signal volume 85 dB, battery indication, features self-diagnostics, cover material plastic, operating temperature from -10 to 40 °C,, compatible with Tuya and MOES, requires a central hub, app language options: Czech and English , compatible with Android and iOS
  37.90 €
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In stock > 5 pcs
Order Code: Moes22_37
2.0 3×
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EVOLVEO Alarmex Pro (ACSALMPIRP) wireless PIR motion sensor with immunity to small animal movement
Motion Sesnor , connect through WiFi 2,4 GHz and GSM, closed system with detection motion compatible with Tuya, range: security, power supply: Battery-Powered,
  37.90 €
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In stock 2 pcs
Order Code: EVO22_13
4.8 183×
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Philips Hue Motion Sensor
Motion Sesnor , connect through Bluetooth, open system with detection motion compatible with Apple Home, range: lighting, application in English, Czech, German, Slovak and Hungarian, power supply: Battery-Powered,
  37.90 €
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In stock > 5 pcs
Order Code: ESO521g15
4.8 4×
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MOES Mini CO Detector, orange
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 temperature from -10 to 50 °C,, input voltage 24 V, power cable included, standalone unit
  38.90 €
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In stock > 5 pcs
Order Code: Moes2513
3.5 2×
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Honeywell XH100-CSSK-A, Smart Smoke Detector X-Series (Thermal Principle), ScanApp, Battery Powered
Smoke Detector - battery-powered , acoustic signals, signal volume 85 dB, cover material plastic, standalone unit
  38.90 €
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In stock > 5 pcs
Order Code: HM040a6
4.8 4×
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MOES Mini CO Detector, grey
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 plastic, operating temperature from -10 to 50 °C,, input voltage 24 V, power cable included, standalone unit
  39.90 €
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In stock 5 pcs
Order Code: Moes2512
4.6 7×
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IMMAX NEO Smart Occupancy Sensor, Zigbee 3.0
Motion Sesnor , connect through WiFi 2,4 GHz and WiFi 5 GHz, open system with detection motion and Lights compatible with Apple Siri shortcuts, Tuya and Immax NEO PRO, range: lighting, electrical installation and security, application in English, Czech, German and Hungarian, power supply: Power plug and USB,
  40.37 €
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Ordered on request
Order Code: IMXX2333
4.8 109×
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Honeywell R200C-2, Carbon monoxide detector and detector, CO Alarm
Gas Leak Detector - detects CO (carbon monoxide), smoke, measurement range from 3 to 330 ppm, gas detection sensitivity 28 ppm, battery-powered, acoustic signals, signal volume 85 dB, features test button, cover material plastic, operating temperature from -10 to 40 °C, operating humidity from 25 to 95 %, ingress protection IP44, input voltage 3V, battery included, standalone unit
Discounted -10 % 40.40 € 44.90 €
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In stock
Order Code: HNW22_01
4.3 11×
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Eve Door & Window (Matter - compatible with Apple, Google, SmartThings & Amazon Alexa)
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, application in English
  40.90 €
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In stock > 5 pcs
Order Code: Eve23_02
3.0 2×
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Nedis ZBDS10WT
Smoke Detector - battery-powered , notifications via push notifications, signal volume 85 dB, battery indication, features: automatic scenarios, operating temperature from -10 to 50 °C, input voltage 3V, battery and mounting kit included, compatible with Nedis SmartLife, standalone unit, compatible with Android and iOS
  40.90 €
Currently Unavailable
Order Code: Nedis23_003
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