Cheap smart Home Sensors & Detectors

On this page you will find smart Home Sensors & Detectors at the lowest prices, more so all smart Home Sensors & 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 Shelly DS18B20 Temperature Sensor for 3.5mm jack (1m) marked at 1,690 Ft incl. VAT. Is this what you’re looking for?
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5.0 1×
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AQARA Spatial Multi-Sensor FP400 Kit (PS-S05D), Zigbee, Thread
Motion Sesnor , connect through Bluetooth and Radio frequency, open system with detection motion, Lights and Human presence compatible with Apple Home, Google Home, Samsung SmartThings, Aqara Home and Home Assistant, range: lighting, security and home control, application in English, Czech and Slovak, power supply: Power plug and USB,
-7 % off new 24,690 Ft New 26,680 Ft
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Unsealed - in stock 1 pcs
Order Code: Aqara26012
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Homematic IP Occupancy Sensor - indoor - HmIP-SPI
Motion Sesnor with detection motion compatible with Google Home and Manufacturer app, range: lighting, power supply: Battery-Powered,
  24,710 Ft
Currently Unavailable
Order Code: Home22_29
5.0 1×
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Homematic IP Siren indoor - HmIP-ASIR-2
Siren - open system, area of use: security, OS supported: Android and iOS, compatible with Google Home and Homematic IP, power supply: Battery-Powered
  24,710 Ft
Currently Unavailable
Order Code: Home22_14
4.7 8×
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SONOFF AirGuard CO2 Matter Over Wi-Fi Air Quality Monitor SAWF-08P
Air Quality Meter - detects temperature, humidity, CO₂ (carbon dioxide), measurement range from 400 to 5000 ppm, gas detection sensitivity 50 ppm, temperature measurement from 0 to 50 °C with accuracy 0.5 °C, humidity measurement from 5 to 99 % with accuracy 3 %, acoustic, visual signals, notifications via push notifications, display, features: alarm, cover material plastic, operating temperature from -10 to 50 °C,, input voltage 5 V, power cable included, compatible with Apple Home, Google Home, Samsung SmartThings, eWeLink and Home Assistant, standalone unit, app language options: Czech and English, compatible with Android and iOS
  24,990 Ft
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On the way > 5 pcs
Expected 18/11/2026
Order Code: SNF2611
4.1 25×
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Nuclear radiation detector JT-RAD01
Detector The JT-RAD01 is a radiation meter for the detection of γ-, β- and X-rays and is characterized by particularly easy handling, high measurement stability and a practical and robust design. The meter has a large colour LCD display with backlight. The measurement results can be displayed both as an overview statistic and as an evaluation graph. J17
-19 % off new 25,290 Ft New 31,290 Ft
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Unsealed - in stock 2 pcs
Order Code: m23_01
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.
  25,390 Ft
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In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
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Order Code: IMMX25092
4.5 27×
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Nuki door sensor white
Door and Window Sensor - wireless, compatible with Apple Home, connect via Bluetooth, central unit required, supported OS: iOS, application in English
-3 % off new 25,690 Ft New 26,600 Ft
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Unsealed - in stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
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Order Code: Nuki22_03
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
  25,890 Ft
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Ordered on request
Order Code: Nedis23_002
4.7 16×
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FIBARO Motion Sensor
Motion Sesnor , connect through WiFi 2,4 GHz and Bluetooth with detection motion, Lights and temperature, range: security, application in English, Czech, German and Slovak, power supply: Battery-Powered,
-16 % off new 25,890 Ft New 30,990 Ft
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Unsealed - in stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
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Order Code: FIBR01b
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Shelly Presence Sensor Gen4, Black
Motion Sesnor , connect through WiFi 2,4 GHz, open system with detection motion compatible with Manufacturer app, application in English, Czech and Slovak, power supply: Power plug,
BLACK FRIDAY -10 % 26,090 Ft 28,990 Ft
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In stock
Order by midnight, get it at the AlzaBox in the morning.
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Order Code: Shell26039
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Shelly Presence Sensor Gen4, White
Motion Sesnor , connect through WiFi 2,4 GHz, open system with detection motion compatible with Manufacturer app, application in English, Czech and Slovak, power supply: Power plug,
BLACK FRIDAY -10 % 26,090 Ft 28,990 Ft
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In stock
Order Code: Shell26038
4.5 27×
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Nuki door sensor white
Door and Window Sensor - wireless, compatible with Apple Home, connect via Bluetooth, central unit required, supported OS: iOS, application in English
  26,600 Ft
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In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
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Order Code: Nuki22_03
5.0 1×
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AQARA Spatial Multi-Sensor FP400 Kit (PS-S05D), Zigbee, Thread
Motion Sesnor , connect through Bluetooth and Radio frequency, open system with detection motion, Lights and Human presence compatible with Apple Home, Google Home, Samsung SmartThings, Aqara Home and Home Assistant, range: lighting, security and home control, application in English, Czech and Slovak, power supply: Power plug and USB,
BLACK FRIDAY -15 % 26,680 Ft 31,390 Ft
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In stock
Order by midnight, get it at the AlzaBox in the morning.
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Order Code: Aqara26012
4.3 8×
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Philips Hue Contact sensor White 2pcs
Sensor - security sensor on the windows, door or safe, sends an alert or triggers a preset light alarm, includes a magnetic counterpart, IP20, can be glued or screwed (material not included), bridge required for full functionality, colour white, 2 pcs
  27,590 Ft
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On the way 3 pcs
Expected 19/11/2026
Order Code: PHLS23017
4.8 5×
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Philips Hue Contact sensor Black 2pcs
Sensor - security sensor on the windows, door or safe, sends an alert or triggers a preset light alarm, includes a magnetic counterpart, IP20, can be glued or screwed (material not included), bridge required for full functionality, black, 2 pcs
  27,590 Ft
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In stock 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
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Order Code: PHLS23016
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Nice window/door sensor, brown
Door and Window Sensor - wireless, compatible with Manufacturer app, connect via WiFi 2,4 GHz, battery indication and protection against sabotage, central unit required, application in Czech, application in Czech and English
  27,990 Ft
Currently Unavailable
Order Code: Nice26019
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Nice window/door sensor, white
Door and Window Sensor - wireless, compatible with Manufacturer app, connect via WiFi 2,4 GHz, battery indication and protection against sabotage, central unit required, application in Czech, application in Czech and English
  27,990 Ft
Currently Unavailable
Order Code: Nice26018
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,
  27,990 Ft
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In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
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Order Code: PHL19021
4.7 41×
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SwitchBot Thermo/Hygrometer bundle with HUB
Sensor - measures temperature and humidity, mobile apps, degree of protection IP65, strap for hanging, updates the measured values every 4 seconds, package also includes HUB for remote synchronization
  28,790 Ft
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In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
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Order Code: SwBot21_27
4.5 22×
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Airbi CO2AIR digital carbon dioxide meter
Detector - CO₂ (carbon dioxide) detection, measurement range from 400 to 2400 ppm, mains + battery power, reaction time 6 s, display, independently functional unit
-12 % off new 29,490 Ft New 33,690 Ft
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As good as new - in stock 1 pcs
Order Code: Airbi24001
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Siemens Connected Home water leak detector SCH040ZB, ZigBee
Water Leak Detector - detects Water gas, battery-powered, reaction time: 2s, sound level: 60dB, compatible with Connected Home, battery indication, central unit required to function,, app with Czech language support, app with Czech and English language support for Android and iOS
  29,920 Ft
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In stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
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Order Code: SimS25001
4.2 55×
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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,
  29,990 Ft
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In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Aqara23_002
5.0 4×
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Ajax DoorProtect Plus White
Door and Window Sensor - wireless, compatible with Ajax, connect via Radio frequency, deviation angle adjustment and protection against sabotage, range of 1000m, central unit required, supported OS: Android, Windows and iOS, application in English
  30,410 Ft
Currently Unavailable
Order Code: AJAX9999
5.0 4×
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Ajax DoorProtect Plus Black
Door and Window Sensor - wireless, compatible with Ajax, connect via Radio frequency, deviation angle adjustment and protection against sabotage, range of 1000m, central unit required, supported OS: Android, Windows and iOS, application in English
  30,410 Ft
Currently Unavailable
Order Code: AJAX9996
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