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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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523 Results
4.7 12×
Homematic IP Valve Adapter Danfoss
Module - 3 pieces of adapters for Danfoss valves (RA, RAV, RAVL) for connection of Thermostatic Heads (HmIP-eTRV-x) and Valve Actuator (HmIP-VDMOT) Homematic IP with standard M30 x 1,5 mm fitting.
Great price 9.59 €
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In stock 1 pcs
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Order Code: Home22_12
5.0
RETLUX RSH 308 PIR Smart Motion Sensor
Motion Sesnor , connect through Radio frequency, closed system with detection Human presence compatible with Google Home, Tuya and Manufacturer app, range: security and home control, application in English, Czech and Slovak, power supply: Battery-Powered,
Buy with code ALZADNI10 The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získajte zľavu 10 % s kódom ALZADNI10. Kliknite a kód sa uplatní automaticky. 15.21 €
Discounted -15 % 16.90 € 19.90 €
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In stock > 10 pcs
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Order Code: RTLX25040
5.0
QINGPING Temperature & RH Monitor Pro S Wi-Fi
Sensor - professional temperature and humidity monitoring for greenhouses, factories, warehouses, business centers, supermarkets and hospitals, temperature range -20 to 50 °C, humidity range 0-99.9%, support extreme indoor conditions, connectivity option - LoRa (gateway required), NB-IoT (50 MB of free data per year) or Wi-Fi, regular reporting of traffic and over-limits, wireless remote monitoring, instant alerts when the set values are exceeded, 2600 mAh rechargeable battery with USB power supply, multi-stage alert settings
41.90 €
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Order Code: QGP006a
5.0
Elektrobock CN16F
Motion Sesnor with detection motion, range: lighting, power supply: Power plug,
11.90 €
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In stock 2 pcs
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Order Code: ELBOCK144
4.0
EVOLVEO WiFi EYE, smart magnetic PIR motion sensor
Motion Sesnor , connect through WiFi 2,4 GHz, closed system with detection motion compatible with Tuya, range: security, application in English, Czech, German, Slovak and Hungarian, power supply: Battery-Powered,
10.09 €
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In stock 5 pcs
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Order Code: EVO23_021
3.7
Niceboy ION ORBIS Windows & Door Sensor
Door and Window Sensor - wireless, compatible with Niceboy ION, battery indication, central unit required, supported OS: Android and iOS, application in Czech, application in Czech and English
20.90 €
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In stock 1 pcs
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Order Code: NCB23_009
4.0
Shelly BLU Bluetooth, brown
Door and Window Sensor - wireless, compatible with Google Home, Samsung SmartThings and Manufacturer app, connect via Bluetooth, battery indication, integrated daylight sensor and adjustable sensitivity, separately functional unit, supported OS: Android, Windows and iOS, application in Czech, application in Czech and English
25.90 €
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In stock 1 pcs
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Order Code: Shell23_035
4.0
WOOX R7081 Smart Vibration Sensor
Vibration Detector - detects vibration gas, battery-powered, range: 70 m, compatible with Manufacturer app, connect via WiFi 2,4 GHz, battery indication, standalone functional unit,, app with Czech language support, app with Czech and English language support for Android and iOS
20.90 €
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In stock 1 pcs
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Order Code: WOOX22_02
4.5 10×
Elektrobock LX118
Motion Sesnor with detection motion, range: electrical installation, power supply: Power plug,
Discounted -12 % 9.49 € 10.90 €
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In stock 2 pcs
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Order Code: ELBOCK114
5.0
Elektrobock CN05C
Motion Sesnor with detection motion, range: lighting, power supply: Power plug,
Discounted -8 % 10.90 € 11.90 €
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In stock 3 pcs
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Order Code: ELBOCK142
5.0
GARNI 092H wireless sensor
Sensor Eight-channel wireless sensor for measuring temperature and relative humidity, designed for the GARNI 3055 Arcus Wi-Fi weather station.
28.90 €
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In stock > 5 pcs
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Order Code: Garni22_04
8.39 €
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Order Code: EVO22_14
4.5
Nous E3 Zigbee Smart door and window sensor
Door and Window Sensor - wireless, compatible with Tuya and Manufacturer app, connect via WiFi 2,4 GHz, battery indication, range of 90m, central unit required, supported OS: Android and iOS, application in English
15.90 €
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In stock 1 pcs
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Order Code: NOUSmh007
3.8
iGET SECURITY P9 - wireless water level detector for iGET SECURITY M3B and M2B
Water Leak Detector - detects water gas, battery-powered, range: 80 m, connect via GSM, battery indication, central unit required to function
7.49 €
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In stock 3 pcs
Order Code: NU105r
3.0
EVOLVEO Alarmex Pro (ACSALMIMS) wireless indoor siren
Siren - closed system, area of use: security, OS supported: Android and Windows, compatible with Manufacturer app, power supply: Power plug
49.90 €
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In stock 4 pcs
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Order Code: EVO22_05
SONOFF AirGuard TH 3.6'' LCD Zigbee Temperature And Humidity Sensor SNZB-02DR2
Sensor - temperature and humidity sensor, Zigbee, large 3.6" LCD display, min. and max. Values, up to 6 months of data history in the app, graphs and analysis (dew point, VPD), remote display of data from another sensor, Matter Bridge support, Apple Home, voice control, smart home automation
Buy with code ALZADNI15 The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získajte zľavu 15 % s kódom ALZADNI15. Kliknite a kód sa uplatní automaticky. 17.77 €
New arrival 20.90 €
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In stock > 5 pcs
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Order Code: SNF2613
4.2
RETLUX RSH 307 Smart door/window sensor
Door and Window Sensor -, compatible with Google Home, connect via Radio frequency, battery indication, central unit required
Buy with code ALZADNI10 The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získajte zľavu 10 % s kódom ALZADNI10. Kliknite a kód sa uplatní automaticky. 15.21 €
16.90 €
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In stock > 10 pcs
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Order Code: RTLX25039
Meross Smart Water Leak Sensor
Sensor - dual detection probe (upper and lower), detection of small droplets and larger leaks, instant acoustic alarm 100 dB, alerts via push notifications to your phone, synchronised alarm with Meross Hub (simultaneous response of all connected units), IP66 resistance, the possibility of smart automations in the app, detection history in the application up to 2 years + data export option, Compatible with Apple Home, Google Home, Amazon Alexa and Samsung SmartThings, control via the Meross app, power supply 2× AAA batteries, battery life up to 3 years, suitable for placing under the sink / next to the washing machine / dishwasher / in the utility room
Buy with code ALZADNI20 The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získajte zľavu 20% s kódom ALZADNI20. Kliknite a kód sa uplatní automaticky. 13.52 €
16.90 €
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In stock 4 pcs
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Order Code: Mer2520
Eufy Security Siren
Siren - closed system, area of use: security, OS supported: Android and iOS, compatible with Manufacturer app, power supply: Battery-Powered, in English
Buy with code ALZADNI25 The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získajte zľavu 25% s kódom ALZADNI25. Kliknite a kód sa uplatní automaticky. 40.43 €
53.90 €
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In stock 2 pcs
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Order Code: Anker24015
Ultrahuman Home
Air Quality Meter - detects smoke, CO (carbon monoxide), light, temperature, humidity, TVOC (volatile organic compounds), CO₂ (carbon dioxide), noise, dust particles, mains power supply, standalone unit, app language: English, compatible with Android and iOS
644.90 €
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In stock 3 pcs
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Order Code: UHhome
4.4
EVOLVEO wireless water level detector for Alarmex/Sonix
Water Leak Detector - detects water gas, battery-powered, central unit required to function
12.90 €
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In stock 1 pcs
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Order Code: RY202f
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.
62.90 €
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In stock > 5 pcs
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Order Code: IMMX25092
AQARA Multi-State Sensor P100 Kit (VB-S03DW), white
Vibration Detector - detects Opening windows and doors, vibration and Angle gas, battery-powered, compatible with Apple Home, Google Home and Aqara Home, connection via radio waves, adjustable sensitivity, central unit required to function,, app with Czech language support, app with Czech and English language support for Android and iOS
Buy with code ALZADNI10 The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získajte zľavu 10 % s kódom ALZADNI10. Kliknite a kód sa uplatní automaticky. 28.71 €
New arrival 31.90 €
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In stock > 5 pcs
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Order Code: Aqara26002
SONOFF AirGuard PM2.5/PM10 Matter Over Wi-Fi Air Quality Monitor SAWF-07P
Air Quality Meter - detects temperature, humidity, dust particles, 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
Buy with code ALZADNI15 The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získajte zľavu 15 % s kódom ALZADNI15. Kliknite a kód sa uplatní automaticky. 50.07 €
New arrival 58.90 €
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In stock > 5 pcs
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Order Code: SNF2612
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Smart Home Sensors & Detectors

Smart Home Sensors & Detectors

In the category Smart Home Sensors & Detectors on Alza.sk, we currently have a total of 523 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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