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?
222 Results
5.0 4×
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Eufy Security Water and Freeze Sensor
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 function, app with English language support for Android and iOS
  41.90 €
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In stock > 5 pcs
Order Code: Anker24014
4.0 4×
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Honeywell Home R200H-N2 Interconnected fire alarm detector - temperature principle, battery operated
Temperature Sensor - interconnected fire detector, battery powered
  41.90 €
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In stock 5 pcs
Order Code: HNW22_03
4.4 9×
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Honeywell Home R200ST-N2 Interconnected fire alarm detector - smoke (optical) and temperature princi
Smoke Detector - temperature measurement from 0 to 70 °C, battery-powered , acoustic signals, signal volume 85 dB, features: test button, cover material plastic, operating temperature to 40 °C, operating humidity up to 93 %, input voltage 3V, battery included, standalone unit
Discounted -10 % 42.20 € 46.90 €
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In stock
Order Code: HNW22_06
1.0 1×
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IMMAX NEO Smart Ultrasonic Liquid Level Sensor , 5 m, WiFi
Sensor - precise measurement using ultrasonic technology, suitable for any type of liquid, IP65 resistance, possibility of connection to a smart water valve, Immax NEO PRO app in Czech and 60 other languages compatible with iOS, Android, with voice assistants - Apple Siri shortcuts and TUYA systems, LIDL.
Discounted -29 % 42.90 € 60.99 €
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In stock
Order Code: IMMX25092
3.0 2×
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Imou gas sensor/detector ZGA1
Gas Leak Detector - mains power supply, detection reach 200 m, acoustic, visual signals, notifications via push notifications, signal volume 85 dB, features self-diagnostics, automatic scenarios and alarm, cover material plastic, power adapter and mounting kit included, requires a central hub, app language: English , compatible with Android and iOS
  42.90 €
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Ordered on request
Order Code: Imou23_40
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SAFE Door Guard, white
Sensor - Wireless magnetic door and window security detector Powered by a replaceable battery that allows continuous operation for up to 5 years, white colour
  45.90 €
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In stock 2 pcs
Order Code: SAFEH26009
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EVOLVEO SecuPro, wireless siren with solar power
Siren - closed system, area of use: security, power supply: Battery-Powered, Solar and USB
  45.90 €
Currently Unavailable
Order Code: EVO24013
4.4 5×
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Honeywell Home R200S-N2 Interconnected fire detector alarm - smoke (optical) principle, battery oper
Smoke Detector - temperature measurement from 0 to 70 °C, battery-powered , acoustic signals, signal volume 85 dB, features: test button, cover material plastic, operating temperature to 40 °C, operating humidity up to 93 %, input voltage 3V, battery included, standalone unit
  45.90 €
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In stock 4 pcs
Order Code: HNW22_05
4.5 14×
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Honeywell Home R200C-N2, Connected 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, detection reach 100 m, acoustic signals, signal volume 85 dB, features test button and alarm, cover material plastic, operating temperature from -10 to 40 °C, operating humidity from 25 to 95 %, input voltage 3V, battery included, standalone unit
Discounted -10 % 46.70 € 51.90 €
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In stock
Order Code: HNW22_02
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SAFE Dry Relay
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), bi-directional power supply 7-24 V DC, range up to 1 200 m (OP) Cloud update, LED signalling, compatible with SAFE Hub 2 Plus LTE
  47.90 €
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In stock 2 pcs
Order Code: SAFEH26011
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iGET SECURITY MP30 – Wireless Outdoor Motion PIR Sensor for M6-4G Alarm
Motion Sesnor , connect through Radio frequency, closed system with detection motion compatible with Manufacturer app, range: security, application in English, Czech, Slovak, Hungarian and In Polish, power supply: Battery-Powered,
Amazing Deal 48.90 €
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In stock 3 pcs
Order Code: IGET26012
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X-Sense SC07-MR RF Combined Smoke and CO Detector for SB550 Station
Smoke Detector - detects CO (carbon monoxide), gas, 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 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
  48.90 €
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Ordered on request
Order Code: XSEN26004
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X-Sense XS01-WX Wi-Fi Smoke Detector
Smoke Detector - battery-powered , 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, standalone unit, app language options: Czech and English , compatible with Android and iOS
  48.90 €
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In stock > 5 pcs
Order Code: XSEN26003
4.9 10×
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Eve Motion (Matter - compatible with Apple, Google, SmartThings & Amazon Alexa)
Motion Sesnor , connect through Bluetooth, closed system with detection motion and Lights compatible with Apple Home, Google Home and Samsung SmartThings, range: lighting, security and home control, application in English and German, power supply: Battery-Powered,
  48.90 €
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In stock > 5 pcs
Order Code: Eve23_03
3.9 6×
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EZVIZ Smoke detector T4C
Smoke Detector - battery-powered , acoustic, visual signals, notifications via push notifications, signal volume 85 dB, battery indication, features: test button and temporary shutdown, operating temperature from -10 to 55 °C, operating humidity up to 95 %, battery included, compatible with EZVIZ, standalone unit requires a central hub, app language options: Czech and English , compatible with Android and iOS
  49.90 €
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In stock > 5 pcs
Order Code: EZVIZ23_12
3.8 10×
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AQARA Presence Sensor FP1E (PS-S03D), Zigbee
Motion Sesnor , connect through Radio frequency, open system with detection motion compatible with Aqara Home and Manufacturer app, range: lighting and security, application in English, Czech and Slovak, power supply: Power plug and USB,
  49.99 €
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In stock 5 pcs
Order Code: Aqara24009
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WiZ Contact sensor 2pack
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 sensitivity, range of 20m, separately functional unit, supported OS: Android and iOS, application in Czech, application in Czech and English
  50.03 €
Currently Unavailable
Order Code: WiZ25002
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SAFE Water Guard, white
Sensor - wireless water leak detector, the detector is powered by a replaceable battery that allows continuous operation for up to 3 years, colour white
  50.90 €
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In stock 3 pcs
Order Code: SAFEH26005
3.3 3×
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Nedis ZBDCO11WT
Gas Leak Detector - detects CO (carbon monoxide), battery-powered, acoustic signals, notifications via push notifications, signal volume 85 dB, battery indication, features alarm, cover material plastic, operating temperature to 50 °C, battery included, compatible with Nedis SmartLife, standalone unit, compatible with Android and iOS
Discounted -7 % 52.90 € 56.90 €
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Ordered on request
Order Code: Nedis23_002
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SAFE Fire Guard, white
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 to 36 months, The detector has high sensitivity, stable performance and maximum resistance to false alarms, colour white
  56.14 €
Currently Unavailable
Order Code: SAFEH26004
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SAFE Door Guard Plus, white
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 colour
  57.90 €
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In stock 1 pcs
Order Code: SAFEH26008
4.0 5×
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Shelly Gas, CNG Gas Detector, Alarm: Flashing LED & Acoustic Signal, WiFi
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. Alarm sensitivity: 6% LEL, noise level: ?70dB. Smart switching: Yes. Local and remote control: Yes. Dimensions: 89.5mm x 89.5mm x 38mm. Connection not included. Mobile app available in Czech, Slovak, English and other languages.
  58.11 €
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Ordered on request
Order Code: SHELLa0009
5.0 1×
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Ubiquiti UniFi Protect Sense
Sensor - Multisensor, Bluetooth 5.0 BLE, Motion, opening, Temperature, humidity, water
  58.90 €
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In stock > 5 pcs
Order Code: Ubiq26352
4.8 29×
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Philips Hue Outdoor Motion Sensor
Motion Sesnor , closed system with detection motion compatible with Apple Home and Philips Hue, power supply: Battery-Powered,
  61.90 €
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In stock > 5 pcs
Order Code: PHL19021
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