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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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508 Results
4.5 34×
AQARA Cube T1 Pro
Smart Wireless Remote Zigbee scene controller
23.90 €
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In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
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Order Code: Aqa22_10
4.9 27×
SONOFF SNZB-05P Zigbee Water Leak Sensor
Sensor - protection against water damage in your home, Zigbee, email alerts, SMS or mobile notifications, on a CR2477 battery, degree of protection IP67, Zigbee2MQTT and Home Assistant support
16.90 €
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In stock > 10 pcs
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Order Code: SNFa108
4.1 36×
Tesla Smart Switch Dual ZigBee
Light Switch - for lighting and home control, operates: Via central unit / bridge, compatible with Tesla Smart, power supply: Power plug, connection: WiFi 2,4 GHz, works with Android and iOS, application in Czech and English
27.90 €
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In stock 2 pcs
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Order Code: Tsl_22_13
4.6 21×
Xiaomi Temperature and Humidity Monitor 3 Mini
Sensor - temperature detection, humidity, functioning independently, CR2450 battery power supply, Xiaomi Home compatible apps, plastic material, Bluetooth connection, optical signalling, installation by gluing
10.90 €
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In stock > 10 pcs
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Order Code: XIA25001
4.6 20×
Shelly Gen3 H&T, battery operated temperature and humidity sensor with display, WiFi, black
Detector - dimensions without stand 70 x 70 x 26 mm, with stand 70 x 70 x 45 mm, ambient temperature 0 °C to 40 °C, humidity between 30% and 70% relative humidity, 4 AA (LR6) 1.5 V batteries (batteries not included), USB Type-C power supply (cable not included)
45.90 €
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In stock > 5 pcs
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Order Code: Shell24_008
4.8 26×
TESLA Smart Water Sensor
Water Leak Detector - detects water gas, battery-powered, range: 50 m, compatible with Tuya, Smartlife and Tesla Smart, connection via radio waves, battery indication, central unit required to function,, app with Czech language support, app with Czech and English language support for Android and iOS
27.90 €
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In stock 4 pcs
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Order Code: Tsl_22_29
4.8 12×
Honeywell Home R200S-2 Fire detector alarm - smoke sensor (optical principle), battery operated
Smoke Detector - temperature measurement to 70 °C, battery-powered , acoustic signals, signal volume 85 dB, features: test button and alarm, cover material plastic, operating temperature to 40 °C, operating humidity from 25 to 93 %, input voltage 3V, battery included, standalone unit
28.90 €
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In stock > 5 pcs
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Order Code: HNW22_04
4.9
iGET SECURITY EP14 - wireless smoke sensor for iGET M5-4G alarm
Detector Smoke sensor for iGET SECURITY M5 alarm. It works independently and also as an accessory for the iGET SECURITY M5 alarm. It complies with the provisions incl. EN14604:2005. Optical smoke detection, unobtrusive design. Protection against sabotage, highest transmission security 256bit, Long battery life up to 3 years, the alarm constantly monitors the activity of this sensor, also a signal, battery percentage and more.
32.90 €
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In stock > 5 pcs
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Order Code: iGt21019
4.2 46×
iQtech SmartLife WS024, smart Wi-Fi plug adapter with protective pin, 16 A, power metering
Smart Socket controlled via Wifi, operated: standalone, compatible with Tuya and Smartlife, consumption measurement, application in English, czech, german, slovak and hungarian for Android and iOS,
14.90 €
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In stock 1 pcs
Order Code: iQ21TECH131
4.7 39×
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
69.90 €
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In stock > 5 pcs
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Order Code: SwBot21_27
4.9 41×
IMMAX NEO Smart magnetic sensor for doors and windows, Zigbee 3.0
Detector - protects your home, requires connection to a smart gateway or other Zigbee 3.0 hub, alerts via mobile app, range up to 30 m, runs on a 3V CR2032 battery
14.90 €
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In stock > 10 pcs
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Order Code: IMMX_22_31
4.6 20×
IMMAX NEO LITE Smart IR controller with temperature and humidity sensors with LCD, WiFi
Controller - will replace all IR remotes, the display shows the time, Date, temperature and humidity, connected to the Immax NEO PRO app on your phone, WiFi connection, IR range up to 12 m, automation settings, control via Amazon Alexa or Google Home voice assistant
28.90 €
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In stock > 5 pcs
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Order Code: IMMX_22_26
4.9 59×
Elektrobock CN20
Motion Sensor - for lighting, Interior, mains supply, input voltage: 230 V, reach of 6m
7.09 €
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In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
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Order Code: ELBOCK061
4.4 10×
Shelly Smoke Plus, smoke detector, WiFi, BT (without battery - CR123A)
Smoke Detector - battery-powered , acoustic, visual signals, notifications via push notifications, signal volume 85 dB, battery indication, features: automatic scenarios and alarm, cover material plastic, operating temperature from 0 to 55 °C, operating humidity from 30 to 95 %, battery and mounting kit included, standalone unit requires a central hub, app language options: Czech and English , compatible with Android, Windows and iOS
62.90 €
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In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Shell23_002
4.4 30×
SwitchBot Thermometer & Hygrometer
Sensor - temperature and humidity, senses 24 hours a day, Wi-Fi, Bluetooth, range: 120 m, colour: white
16.90 €
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In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: SwBot21_03
4.7 48×
Elektrobock CN11 Mini
Motion Sensor - for lighting, Exterior, mains supply, input voltage: 230 V, reach of 12m, adjustable sensitivity, independently functional unit
8.79 €
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In stock > 10 pcs
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Info
Order Code: ELBOCK034
4.2 29×
TESLA Smart Smoke Sensor
Smoke Detector - battery-powered , detection reach 50 m, acoustic, visual signals, notifications via push notifications, battery indication, features: reset, cover material plastic, operating temperature from -10 to 55 °C, operating humidity from 0 %, ingress protection IP20, input voltage 3V, mounting kit included, compatible with Tuya, Smartlife and Tesla Smart, requires a central hub, app language options: Czech and English , compatible with Android and iOS
19.90 €
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In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Tsl_22_31
4.4 14×
FIBARO Window and door sensor 2 white
Door and Window Sensor - wireless, compatible with Manufacturer app, connect via WiFi 2,4 GHz and Bluetooth, range of 50m, central unit required, supported OS: Android and iOS, application in Czech, application in Czech and English
56.90 €
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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: FIBR02hg1
4.1
FIBARO Flood Sensor
Water Leak Detector - detects temperature and water gas, battery-powered, connect via Bluetooth, standalone functional unit,, app with Czech language support, app with Czech and English language support for Android and iOS
86.90 €
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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: FIBR01c
4.9 10×
SONOFF IP65 Zigbee LCD Smart Temperature Humidity Sensor SNZB-02WD
Sensor – IP65 waterproof design, temperature and humidity measurements, clear 2.2″ LCD display, high accuracy of ±0.2 °C and ±2 % RH, view history up to 180 days, smart scenes and notifications, support for voice assistants, Zigbee 3.0 compatible
33.90 €
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In stock > 5 pcs
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Info
Order Code: SNFa116
4.1
AQARA Presence Sensor FP1E (PS-S03D), Zigbee
Motion Sesnor , connect through Radio frequency, open system with detection motion compatible with Aqara Home and Manufacturer app, range: lighting and security, application in English, Czech and Slovak, power supply: Power plug and USB,
50.90 €
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In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Aqara24009
4.1 21×
MAKETOP Y-10D DC sensor doorbell, white
Motion Sesnor , connect through Radio frequency with detection motion, range: security, power supply: Battery-Powered and USB,
Buy with code ALZADNI40 The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získajte zľavu 40 % s kódom ALZADNI40. Kliknite a kód sa uplatní automaticky. 8.34 €
13.90 €
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In stock 5 pcs
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Info
Order Code: MaTo23_11
3.6 14×
Netatmo Smart AC Controller
Smart Wireless Remote to the air conditioning, smart, WiFi 2.4 GHz, iOS apps, Android, compatible with Apple HomeKit, Google Home, Amazon Alexa
121.90 €
Buy
In stock > 5 pcs
Order Code: Neta23_01
3.5
Sonoff PIR3-RF Small 433MHz RF PIR3 Motion Sensor
Sensor - movement, a bridge is necessary to function, the angle of view: 100°, two modes, range: 8 m, connection: radio waves, colour: white
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. 13.41 €
14.90 €
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In stock 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: SNF21a054

Smart Home Sensors & Detectors

Smart Home Sensors & Detectors

In the category Smart Home Sensors & Detectors on Alza.sk, we currently have a total of 508 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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