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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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559 Results
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
399,-
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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: SNFa108
5.0 12×
Ajax MotionProtect White
Motion Sensor - for alarm, Interior, battery powered, input voltage: 3V, reach of 12m, compatible with Ajax, connection via radio waves, protection against sabotage, independently functional unit, application in Czech, applications in Czech and English for Android and iOS
2,113,-
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In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: AJAX5328
4.0 40×
Mi Door and Window Sensor 2
Door and Window Sensor - wireless, compatible with Xiaomi Home, connect via Bluetooth, integrated daylight sensor, central unit required, supported OS: Android and iOS, application in English
299,-
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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: Xi21_01
4.2 12×
Airthings Wave mini - air quality, humidity, temperature and air chemicals sensor
Air Quality Meter - detects temperature, humidity, TVOC (volatile organic compounds), temperature measurement with accuracy 1 °C, humidity measurement with accuracy 3 %, battery-powered, visual signals, notifications via push notifications, battery indication, operating temperature from 4 to 40 °C, holder and battery included, standalone unit requires a central hub, app language: English, compatible with Android and iOS
2,049,-
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In stock > 5 pcs
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Order Code: Air21TNG1
4.4 25×
IMMAX NEO Smart temperature and humidity sensor, Zigbee 3.0 + prodloužená záruka o 1 rok ZDARMA
Sensor - Zigbee 3.0, Immax NEO PRO app in Czech and 60 other languages compatible with iOS, Android, with Amazon Alexa voice assistants, Apple Siri Shortcuts, Google Assistant and TUYA systems, LIDL, power supply by CR2032 battery
499,-
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In stock > 10 pcs
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Order Code: IMXX2344
4.5 25×
SONOFF Zigbee Human Presence Sensor
Sensor - for motion detection, functionality based on 5.8 GHz microwave radar, three levels of sensitivity, detection distance up to 4 m, compatible with smart bulbs, Smart Switch and smart LED strips, possibility of fixing the base to the wall with 3M tape or screws, the sensor is fixed magnetically, USB-C power, ZigBee Hub central unit needed, Amazon Alexa support, Google Home, Smartthings, Alice and IFTTT
419,-
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In stock > 10 pcs
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Order Code: Sonoff23_07
4.8 27×
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
669,-
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In stock > 5 pcs
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Order Code: Tsl_22_29
3.7 24×
iGET SECURITY EP1 - wireless PIR motion sensor for iGET M5-4G alarm
Detector PIR motion sensor for iGET SECURITY M5 alarm. Protection against sabotage, highest transmission security 256bit, very long battery life of 5 years, the alarm constantly monitors the activity of this sensor, also a signal, battery percentage and more. Special magnetic holder for attachment containing trigger.
619,-
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In stock > 5 pcs
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Order Code: iGt21015
4.9 22×
iGET SECURITY EP4 - wireless magnetic door/window sensor for iGET M5-4G alarm
Detector magnetic sensor for door and window opening detection, for iGET SECURITY M5 alarm. Alerts you if you forget to close the window/door when you leave. Protection against sabotage, highest transmission security 256bit, very long battery life of 5 years, the alarm constantly monitors the activity of this sensor, also a signal, battery percentage and more.
449,-
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In stock > 10 pcs
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Info
Order Code: iGt21016
4.7 16×
FIBARO Motion Sensor
Motion Sensor - for alarm, Interior, battery powered, input voltage: 3V, reach of 7m, connection via WiFi 2,4 GHz and Bluetooth, independently functional unit, application in Czech, applications in Czech and English for Android and iOS
1,699,-
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In stock 3 pcs
Order Code: FIBR01b
4.6 22×
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
249,-
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In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: XIA25001
4.7 13×
FIBARO Smoke Sensor
Smoke Detector - detects temperature, temperature measurement from -20 to 100 °C, battery-powered , acoustic, visual signals, signal volume 85 dB, battery indication, features: alarm, operating temperature from 0 to 55 °C, operating humidity from 0 to 93 %, battery included, standalone unit requires a central hub, app language options: Czech and English
1,889,-
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In stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: FIBR01f
4.6 33×
TESLA Smart Sensor Siren
Siren - open system, area of use: security, OS supported: Android and iOS, compatible with Tuya, Smartlife and Tesla Smart, power supply: Power plug and Battery-Powered, in Czech and English
619,-
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In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Tsl_22_32
4.7
JOY-It JT-PS360-C laboratory power supply
Module - ultra-compact, voltage 0 - 60 V, current 0 - 6 A, power 360 W
4,199,-
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In stock > 5 pcs
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Info
Order Code: JOYit24_006
4.9 59×
Elektrobock CN20
Motion Sensor - for lighting, Interior, mains supply, input voltage: 230 V, reach of 6m
189,-
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In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: ELBOCK061
4.0
Airthings Wave Enhance
Air Quality Meter - detects temperature, humidity, air pressure, TVOC (volatile organic compounds), CO₂ (carbon dioxide), noise, battery-powered, visual signals, notifications via push notifications, features: memory, operating temperature from 0 to 45 °C, operating humidity from 5 to 95 %, battery included, standalone unit requires a central hub, compatible with Android and iOS
3,899,-
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In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Air24001
4.7 47×
IMMAX NEO LITE Smart IR remote control with temperature and humidity sensors, WiFi + prodloužená záruka o 1 rok ZDARMA
Smart Wireless Remote - Smart IR, TUYA, WiFi, remote control of all devices, which are normally controlled by remote control with IR port, remote control, automation, measures temperature and humidity, Immax NEO PRO app in Czech and 60 other languages compatible with iOS, Android, with Amazon Alexa voice assistants, Apple Siri Shortcuts, Google Assistant and TUYA systems, LIDL
599,-
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In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: IMMX_21_02
4.3 45×
Xiaomi Mi Wireless Switch
Smart Wireless Switch - compatible with Xiaomi Home, control via app on Android, Windows and iOS, connect via WiFi 2,4 GHz, application in English
299,-
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In stock 4 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: XI300l03
4.6 14×
iGET SECURITY P14 - wireless smoke detector for iGET SECURITY M3B and M2B
Smoke Detector - battery-powered , reaction time 1 s, acoustic, visual signals, notifications via SMS, signal volume 85 dB, features: test button, cover material plastic, operating temperature from 5 to 50 °C, operating humidity from 20 to 90 %, compatible with iGet Home, standalone unit
499,-
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In stock > 10 pcs
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Info
Order Code: NU105z
4.5 35×
AQARA Cube T1 Pro
Smart Wireless Remote Zigbee scene controller
559,-
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In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Aqa22_10
4.1 14×
IMMAX NEO Smart PIR sensor 2in1 Zigbee 3.0 + prodloužená záruka o 1 rok ZDARMA
Motion Sesnor , open system with detection motion and Light compatible with Apple Siri shortcuts, Tuya, Lidl Home, Smartlife, Nedis SmartLife, ETA SMART, Tesla Smart and Immax NEO PRO, range: lighting, security and home control, application in English, Czech, German, Slovak, Hungarian and In Polish, power supply: USB,
449,-
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In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: IMMX24071
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
2,999,-
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Neta23_01
4.8 23×
SwitchBot Thermometer & Hygrometer Plus
Sensor - temperature measurement in °C or F, measurement of humidity in %, 3" LCD display, data recovery every 4 seconds, mobile apps, notifications, support for voice assistants, the possibility of inclusion in the SwitchBot ecosystem, battery operation (2× AAA)
389,-
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In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: SwBot21_19
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.
799,-
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: iGt21019

Smart Home Sensors & Detectors

Smart Home Sensors & Detectors

In the category Smart Home Sensors & Detectors on Alza.cz, we currently have a total of 558 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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