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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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526 Results
3.9 10×
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Niceboy ION ORBIS Motion Sensor
Motion Sesnor , open system with detection motion compatible with Niceboy ION, range: home control, application in English, Czech and Slovak,
20.90 €
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In stock 1 pcs
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Order Code: NCB23_006
5.0
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Nous E2 Zigbee Smart PIR motion sensor
Motion Sesnor , open system with detection motion compatible with Tuya and Manufacturer app, range: lighting and security, application in English and Slovak, power supply: Battery-Powered,
15.90 €
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In stock 1 pcs
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Order Code: NOUSmh006
4.0
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Honeywell Home R200H-N2 Interconnected fire alarm detector - temperature principle, battery operated
Temperature Sensor - interconnected fire detector, battery powered
33.90 €
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Order Code: HNW22_03
5.0
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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
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Ubiquiti UniFi SuperLink Environmental
Sensor - Temperature, humidity, light and water, SuperLink, CR123A battery, IPX5
50.90 €
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Order Code: Ubiq26354
5.0
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MOES Human Presence Sensor + Light Sensor, Zigbee
Motion Sesnor , open system with detection motion, range: security, power supply: USB,
24.90 €
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In stock 2 pcs
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Order Code: Moes2505
3.7
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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 2 pcs
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Order Code: NCB23_009
5.0
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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,
16.90 €
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Order Code: RTLX25040
3.5
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MOES Light Sensor, Zigbee
Sensor - ZigBee connection (requires a gateway), real-time monitoring of light intensity, smart scenes via Tuya/MOES/Smart Life, automation of lighting at dusk, interactive brightness curve, up to 1 year battery life CR2032, discharge warning, easy installation with adhesive tape, compact design
16.90 €
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Order Code: Moes2509
3.6
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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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Order Code: EVO23_021
3.5
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QINGPING Motion & Light sensor, T version (Apple Homekit)
Motion Sesnor , connect through Bluetooth with detection motion and Lights compatible with Apple Home and Manufacturer app, range: lighting and security, application in English and Czech,
12.90 €
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In stock 2 pcs
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Order Code: QGP005a
3.3
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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
18.61 €
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Order Code: Shell23_035
4.7
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EVOLVEO Alarmex Pro (ACSALMRMT) remote control/key fob
Keychain -
8.39 €
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In stock 4 pcs
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Order Code: EVO22_14
5.0
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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
4.2
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EVOLVEO wireless vibration detector for Alarmex/Sonix
Vibration Detector - detects Opening windows and doors and vibration gas,, range: 40 m, standalone functional unit
15.90 €
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In stock 1 pcs
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Order Code: RY202f3
4.2
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RETLUX RSH 307 Smart door/window sensor
Door and Window Sensor -, compatible with Google Home, connect via Radio frequency, battery indication, central unit required
Amazing Deal 13.90 € Save 2.59 €
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Order Code: RTLX25039
5.0
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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
16.84 €
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Order Code: iQtech22_13
3.7
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Meross Smart Water Leak Sensor
Sensor - water leak sensor, for a safe home, It works 24/7, powered by replaceable CR123A battery (lifetime 18 months), battery indicator, IP67 waterproof, alerts via the app, 60 dB alarm, Meross Hub central unit is required for sensor functionality
25.90 €
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In stock 3 pcs
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Order Code: Mer24_14
3.0
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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 3 pcs
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Order Code: EVO22_05
4.4
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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
4.8
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Vaillant Homematic IP Valve Adapter
Module - Adapter for Vaillant valves for connection of Thermostatic Heads (HmIP-eTRV-x) and Valve Drive (HmIP-VDMOT) Homematic IP with standard M30 x 1.5 mm fitting.
7.59 €
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In stock 2 pcs
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Order Code: Home22_09
1.0
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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.
63.04 €
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Order Code: IMMX25092
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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
20.90 €
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In stock 2 pcs
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Order Code: SNF2613
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EZVIZ Smart Sensor Kit, 4 pieces, KIT 2.0
Sensor – set of 4 smart sensors for the home, PIR sensor, opening sensor, SOS button, A3-R200 gateway, Compatible with Apple Home and Matter, control via EZVIZ application, support up to 64 devices, immediate alerts, Google Assistant and Alexa voice control, easy installation, compact design
125.90 €
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In stock > 5 pcs
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Order Code: EZVIZ25013
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In the category Smart Home Sensors & Detectors on Alza.sk, we currently have a total of 526 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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