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Smart Home Sensors & Detectors


SmartHome detectors and sensors are designed both for connection to central units and for stand-alone use without them. These are, for example, motion sensors, smoke, gas or CO detectors or anti-flood detectors. All the sensors work with smartphones, so you always have a full overview of what's going on in your home.

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Installing a SmartHome system is easy

The installation of various detectors and sensors is user-friendly and does not require any construction modifications or complicated wiring, as these expansion modules communicate wirelessly.

Pay attention to compatibility

When choosing expansion modules, it is important to focus on the communication protocol.

  • Some accessories require a connection to the central unit. The purchased module must be built on the same communication protocol as this unit, such as ZigBee or Z-Wave. Otherwise, the two devices will not communicate.
  • Other devices work independently, for example via Bluetooth or Apple HomeKit. They can be controlled via the manufacturer's app and don't require a central unit to work.

SmartHome detectors and sensors have many uses

There are a number of detectors and sensors on the market, so we sort them into groups for better clarity.

  • Motion detectors
  • Motion detectors for windows or doors
  • Smoke, gas or carbon monoxide detectors
  • Vibration detectors
  • Flood detectors
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433 Results
3.0
Homematic IP Interface for gas meter
Sensor - interface for gas meter, closed system, operation via central unit, OS Android + iOS, mobile notifications
36,780 Ft
Currently Unavailable
Order Code: Home24004
5.0
Homematic IP Universal contact sensor - HmIP-SCI
Sensor The wireless Universal Contact Sensor (HmIP-SCI), designed for indoor use, is part of the Homematic IP smart home system. Allows the integration of third-party wired devices into the Homematic IP wireless smart home system.
16,010 Ft
Currently Unavailable
Order Code: Home23_09
5.0
Homematic IP Temperature and humidity sensor - outdoor - HmIP-STHO
Sensor wireless (HmIP-STHO) for outdoor use is part of the Homematic IP smart home system. The compact, weatherproof sensor offers a wide range of applications in conjunction with other Homematic IP devices. The device monitors outdoor temperature and relative humidity. The measured values are then transmitted to the Central Unit (HmIP-HAP) and to the connected Homematic IP devices, which respond according to a predefined configuration.
19,850 Ft
Currently Unavailable
Order Code: Home22_34
5.0
Homematic IP Door lock drive - HmIP-DLD
Smart Lock -, app in English
53,710 Ft
Currently Unavailable
Order Code: Home22_18
5.0
iQtech Millennium, Zigbee 2x NoN switch Smartlife, black
Light Switch - for lighting, operates: Via central unit / bridge, compatible with Tuya and Smartlife, power supply: Power plug, works with Android and iOS, application in Czech
6,670 Ft
Currently Unavailable
Order Code: iQtech22_13
5.0
Honeywell adapter for HR90, HR92, HR30 to Herz and Comap M28x1,5 valves
Heating Set - adapter for installation of Honeywell thermostatic heads on Herz and Comap radiator valves with M28 × 1.5 thread (HR92, HR90, HR30)
3,690 Ft
Currently Unavailable
Order Code: HN21Well20
5.0
Ajax MotionProtect Curtain Black
Motion Sesnor , connect through Radio frequency, closed system with detection motion compatible with Ajax, range: security, application in English, Czech, German and Slovak, power supply: Battery-Powered,
40,370 Ft
Currently Unavailable
Order Code: AJAX20004
5.0
Ajax CombiProtect Black
Motion Sesnor , connect through Radio frequency, open system with detection motion and Glass breakage compatible with Ajax and Manufacturer app, range: security, application in English and Czech, power supply: Battery-Powered,
43,740 Ft
Currently Unavailable
Order Code: AJAX7167
5.0
Ajax MotionProtect Plus Black
Motion Sesnor , connect through Radio frequency, open system with detection motion compatible with Ajax, range: security, application in English, power supply: Battery-Powered,
42,610 Ft
Currently Unavailable
Order Code: AJAX8220
Homematic IP Digital Interface
Sensor - digital interface, closed system, operation via central unit, OS Android + iOS, mobile notifications
36,780 Ft
Currently Unavailable
Order Code: Home24006
Homematic IP Meteo Sensor Basic - HmIP-SWO-B
Sensor The wireless Meteo Basic (HmIP-SWO-B) for outdoor use is part of the Homematic IP smart home system. The Weather Sensor Basic (HmIP-SWO-B) is a basic version of the weather sensor, without the possibility of predicting the amount and duration of rainfall or wind direction.
48,170 Ft
Currently Unavailable
Order Code: Home22_33
Homematic IP Brightness sensor - outdoor - HmIP-SLO
Sensor wireless (HmIP-SLO) for outdoor use is part of the Homematic IP smart home system. The weatherproof light sensor offers a wide range of applications in conjunction with other Homematic IP devices. The device measures the brightness values in lux and then transmits the measured values to the Central Unit (HmIP-HAP) and the connected Homematic IP devices, which react according to a predefined configuration.
19,850 Ft
Currently Unavailable
Order Code: Home22_30
Homematic IP Window and door sensor - optical plus - HmIP-SWDO-PL
Door and Window Sensor - wireless, compatible with Google Home, Home Connect and Homematic IP, connect via Radio frequency, range of 220m, central unit required, supported OS: Android and iOS, application in Czech
20,160 Ft
Currently Unavailable
Order Code: Home22_21
Nice battery operated CO sensor
Air Quality Meter - detects CO (carbon monoxide), temperature measurement from -20 to 100 °C with accuracy 0.5 °C, battery-powered, acoustic signals, notifications via push notifications, battery indication, features: alarm, cover material plastic, operating temperature from 0 to 55 °C,, battery included, requires a central hub, app language options: Czech and English
51,490 Ft
Currently Unavailable
Order Code: Nice26020
14,890 Ft
Currently Unavailable
Order Code: Nice26021
Nice battery operated motion sensor
Motion Sesnor , connect through WiFi 2,4 GHz, closed system with detection motion compatible with Manufacturer app, range: lighting, security and home control, application in English and Czech, power supply: Battery-Powered,
31,390 Ft
Currently Unavailable
Order Code: Nice26015
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
Nice battery operated smoke detector
Smoke Detector - temperature measurement from -20 to 100 °C with accuracy 0,5 °C, battery-powered , acoustic signals, notifications via push notifications, battery indication, features: alarm, cover material plastic, operating temperature from 0 to 55 °C, operating humidity from 0 to 93 %, battery included, requires a central hub, app language options: Czech and English
36,690 Ft
Currently Unavailable
Order Code: Nice26016
Nice battery operated flood detector
Water Leak Detector - detects Humidity gas, battery-powered, compatible with Manufacturer app, connect via WiFi 2,4 GHz, battery indication, central unit required to function,, app with Czech language support, app with Czech and English language support
36,690 Ft
Currently Unavailable
Order Code: Nice26017
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
Meross Combo Smoke and Carbon Monoxide Alarm
Gas Leak Detector - detects CO (carbon monoxide), smoke, measurement range from 50 to 300 ppm, deviation 50 ppm, detection reach 3 m, acoustic signals, signal volume 85 dB, cover material plastic, operating temperature from -10 to 40 °C, operating humidity from 15 to 95 %, holder and mounting kit included, standalone unit
Currently Unavailable
Order Code: Mer2602
Homematic IP Window and door sensor, magnetic - HmIP-SWDM-2
Door and Window Sensor - wireless, compatible with Homematic IP, connect via Radio frequency, range of 200m, central unit required, supported OS: Android and iOS, application in Czech, application in Czech and English
12,160 Ft
Currently Unavailable
Order Code: Home26001
AVATTO Zigbee Water Sensor
Sensor - ZigBee connection (ZigBee gateway required), compatible with Tuya/Smart Life, water leak detection (probe), in-app notifications (push notifications), local alarm, history of alarm records, smart automation/scenes (intelligent linkage), low consumption, power supply CR2032 (DC 3 V), battery life > 1 year, Low battery indication, 2.4 GHz transmission, operating temperature -10 to +55 °C, dimensions Ø 59,5 × 17 mm
Currently Unavailable
Order Code: AVT060a
AVATTO WiFi Smart Door Sensor
Sensor - notifications on opening/closing, remote monitoring in Tuya/Smart Life, smart automation (Smart Linkage), voice status query (Alexa/Google Assistant), history of events, sharing with family, power supply 2× AAA, battery life approx. 8-12 months, switching distance 23 ± 5 mm, sensor dimensions 67 × 27 × 21 mm, magnet dimensions 41 × 13 × 20 mm, working temperature -10 to 55 °C
Currently Unavailable
Order Code: AVT058a
In the category Smart Home Sensors & Detectors on Alza.hu, we currently have a total of 433 products, which you can easily buy online and get quickly delivered. See all of your purchases and make orders on our easy-to-use app.
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