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?
198 Results
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
  42.90 €
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In stock 4 pcs
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Order Code: EZVIZ23_12
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
  42.90 €
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In stock 4 pcs
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Order Code: HNW22_05
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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
  44.90 €
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In stock 1 pcs
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Order Code: SAFEH26008
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SAFE Glass Guard, white
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 sensitivity configuration significantly eliminates the occurrence of false alarms, The detector is powered by a replaceable battery that allows continuous operation for up to 3 years, colour white
  48.90 €
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In stock 2 pcs
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Order Code: SAFEH26007
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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,
  49.90 €
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In stock 3 pcs
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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
  49.90 €
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On the way 3 pcs
Expected 19/10/2026
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
  49.90 €
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In stock > 5 pcs
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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,
  49.90 €
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In stock > 5 pcs
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Order Code: Eve23_03
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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
  50.36 €
Currently Unavailable
Order Code: WiZ25002
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SAFE Motion Guard, white
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 detector is powered by a replaceable battery that allows continuous operation of the detector for up to 4 years, colour white
  52.90 €
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In stock 5 pcs
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Order Code: SAFEH26003
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 -8 % 52.90 € 57.90 €
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Ordered on request
Order Code: Nedis23_002
1.0 1×
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EVOLVEO Alarmex Pro ( ACSALMOUS) wireless outdoor light and sound siren
Siren - closed system, area of use: security, OS supported: Android and iOS, compatible with Manufacturer app, power supply: Power plug, in Czech and English
  52.90 €
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In stock 1 pcs
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Order Code: EVO22_04
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.
  52.90 €
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In stock 2 pcs
Order Code: SHELLa0009
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,
  52.90 €
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In stock > 5 pcs
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Order Code: PHL19021
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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
  56.52 €
Currently Unavailable
Order Code: SAFEH26004
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 % 58.40 € 64.90 €
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In stock
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Order Code: HNW22_02
5.0 1×
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Ubiquiti UniFi Protect Sense
Sensor - Multisensor, Bluetooth 5.0 BLE, Motion, opening, Temperature, humidity, water
Great price 59.90 €
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In stock > 5 pcs
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Order Code: Ubiq26352
4.5 2×
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Nedis WIFISA20CBK
Air Quality Meter - detects temperature, humidity, CO₂ (carbon dioxide), mains power supply, acoustic, visual signals, notifications via push notifications, battery indication and display, features: hours and date, operating temperature from -10 to 40 °C, power cable and mounting kit included, compatible with Smartlife and Nedis SmartLife, standalone unit, compatible with Android and iOS
  63.90 €
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In stock 1 pcs
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Order Code: Nedis24065
5.0 1×
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Homematic IP Smoke detector HmIP-SWSD-2
Smoke Detector - battery-powered , detection reach 40 m, acoustic, visual signals, signal volume 85 dB, battery indication, features: test button, cover material plastic, operating temperature from 5 to 30 °C, ingress protection IP20, input voltage 3V, mounting kit included, requires a central hub, app language options: Czech and English , compatible with Android and iOS
  64.90 €
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In stock > 5 pcs
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Order Code: Home25001
4.2 54×
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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,
  64.90 €
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In stock > 5 pcs
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Order Code: Aqara23_002
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SAFE Motion Guard Plus, white
Sensor - wireless dual PIR motion detector with microwave sensor detecting motion up to 12 meters, which is able to reliably ignore the movement of animals in the guarded area (PET immunity) up to a weight of 18 kg and 50 cm height, The detector is powered by a replaceable battery type CR123A, which allows continuous operation of the detector for up to 4 years, colour white
  65.90 €
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In stock 5 pcs
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Order Code: SAFEH26002
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Ajax GlassProtect (8EU) ASP white (38109)
Vibration Detector - detects vibration gas, battery-powered, compatible with Ajax and Manufacturer app, connection via radio waves, battery indication, adjustable sensitivity and protection against sabotage, central unit required to function,, app with Czech language support, app with Czech and English language support for Android and iOS
  69.52 €
Currently Unavailable
Order Code: AJAX25010
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Ajax GlassProtect (8EU) ASP black
Vibration Detector - detects vibration gas, battery-powered, compatible with Ajax and Manufacturer app, connection via radio waves, battery indication, adjustable sensitivity and protection against sabotage, central unit required to function,, app with Czech language support, app with Czech and English language support for Android and iOS
  69.52 €
Currently Unavailable
Order Code: AJAX25009
5.0 1×
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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
  69.90 €
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In stock > 5 pcs
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Order Code: QGP008a
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