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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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570 Results
SAFE Water Guard, white
Sensor - wireless water leak detector, the detector is powered by a replaceable battery that allows continuous operation for up to 3 years, colour white
New arrival 991,-
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In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: SAFEH26005
SAFE Motion Cam Outdoor (PhOD), white
Motion Sesnor , connect through Radio frequency, closed system with detection motion compatible with Manufacturer app, range: security, application in English, Czech and German, power supply: Battery-Powered,
New arrival 6,991,-
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In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: SAFEH26019
Ajax MotionCam HDR (PhOD) Jeweller, black
Motion Sesnor , closed system with detection motion compatible with Ajax, range: security, application in English, Czech and Slovak, power supply: Battery-Powered,
New arrival 5,772,-
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In stock 2 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: AJAX26003
SAFE Motion Guard Plus, white
Sensor - wireless dual PIR motion detector with microwave sensor detecting motion up to 12 meters, which is able to reliably ignore the movement of animals in the guarded area (PET immunity) up to a weight of 18 kg and 50 cm height, The detector is powered by a replaceable battery type CR123A, which allows continuous operation of the detector for up to 4 years, colour white
New arrival 1,591,-
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In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: SAFEH26002
SAFE Motion Guard, white
Sensor - wireless motion detector equipped with dual PIR sensor detecting motion at a distance of up to 12 meters, PET immunity up to a weight of 18 kg and 50 cm height, The detector is powered by a replaceable battery that allows continuous operation of the detector for up to 4 years, colour white
New arrival 1,291,-
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In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: SAFEH26003
2.0
QINGPING Bluetooth Clock - pink
Alarm Clock - Digital, power supply: battery
-31 % off new 409,- New 599,-
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Unsealed - in stock 1 pcs
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Info
Order Code: QGP012b
Homematic IP Rain Sensor - HmIP-SRD
Sensor The wireless rain sensor (HmIP-SRD) for outdoor use is part of the Homematic IP smart home system. The sensor with its high weather and weather protection offers a wide range of applications in conjunction with other Homematic IP devices. The device detects even the smallest amount of rain or snowfall and then transmits the information to the Central Unit (HmIP-HAP) and the connected Homematic IP devices, which react according to a predefined configuration.
-59 % off new 1,559,- New 3,890,-
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Unsealed - in stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Home22_37
EVOLVEO Alarmex Pro (ACSALMWTD) wireless flood detector
Water Leak Detector - detects water gas, battery-powered, range: 100 m, compatible with Manufacturer app, connection via radio waves, battery indication, standalone functional unit
-6 % off new 459,- New 489,-
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Unsealed - in stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: EVO22_11
1.0
BOT Smart air quality sensor WiFi AirBox4
Air Quality Meter - temperature measurement from -20 to 85 °C, mains power supply, detection reach 20 m, notifications via push notifications, cover material plastic, operating temperature from -20 to 85 °C, input voltage 5 V, compatible with Tuya and Smartlife, requires a central hub, app language options: Czech and English, compatible with Android and iOS
-21 % off new 669,- New 849,-
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Unsealed - in stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: BOTmer002
EVOLVEO Alarmex Pro (ACSALMMSTS) wireless door/gate/gate detector
Door and Window Sensor - wireless, compatible with Manufacturer app, connect via WiFi 2,4 GHz, GSM and Radio Frequency, range of 80m, separately functional unit, supported OS: Android and iOS, application in Czech, application in Czech and English
-40 % off new 459,- New 767,-
Buy
Unsealed - in stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: EVO22_10
SAFE Motion Guard Outdoor, white
Motion Sesnor , connect through Radio frequency, closed system with detection motion compatible with Manufacturer app, range: security, application in English, Czech and German, power supply: Battery-Powered,
New arrival 4,991,-
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: SAFEH26018
Ajax MotionCam HDR, white
Motion Sesnor , closed system with detection motion compatible with Ajax, range: security, application in English, Czech and Slovak, power supply: Battery-Powered,
New arrival 5,248,-
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: AJAX26002
SAFE Glass Guard, white
Sensor - wireless glass breakage detector for security of glazed surfaces equipped with two NC inputs, Multi-factor glass breakage detection with the possibility of remote sensitivity configuration significantly eliminates the occurrence of false alarms, The detector is powered by a replaceable battery that allows continuous operation for up to 3 years, colour white
New arrival 1,191,-
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In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: SAFEH26007
SAFE Indoor Siren, white
Siren - closed system, area of use: security, OS supported: Android and iOS, compatible with Manufacturer app, power supply: Battery-Powered, in Czech and English
New arrival 1,191,-
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: SAFEH26006
SAFE Motion Cam (PhOD), white
Sensor - wireless dual PIR motion detector with photo camera, images in case of an alarm, or on request (PhOD), Motion detection up to 12 metres, which reliably ignores the movement of animals in the guarded area up to a weight of 18 kg and a height of 50 cm, Battery life for up to 4 years, Colour white
New arrival 3,291,-
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: SAFEH26001
Hama SMART door/window sensor, magnetic, Zigbee
Door and Window Sensor - wireless, compatible with Tuya, separately functional unit, supported OS: Android and iOS, application in Czech
429,-
Buy
In stock > 10 pcs at the supplier's
Order Code: SMARaaa0018
HEATIT External Temperature Sensor Black
Sensor - external room sensor for use with Multireg and Heatit thermostats, sensor can be mounted directly on the wall or on top of a standard European wiring box, use with most frames adapted to the 55 system
539,-
Buy
In stock 3 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: HEA23_11
Ajax MotionCam HDR, black
Motion Sesnor , closed system with detection motion compatible with Ajax, range: security, application in English, Czech and Slovak, power supply: Battery-Powered,
New arrival 5,248,-
Buy
In stock 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: AJAX26001
SAFE Door Guard Plus, white
Sensor - wireless magnetic open, shock and tilt detector for window and door security Powered by a replaceable battery that allows continuous operation for up to 4 years, white colour
New arrival 1,161,-
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: SAFEH26008
Hütermann Water flood minialarm - water leak detector - flood moisture sensor
Water Leak Detector - detects water gas, battery-powered, sound level: 85dB, standalone functional unit
-6 % off new 399,- New 429,-
Buy
Unsealed - in stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: EMPlist0131
3.7
MOES Smart CO2 + Temperature-Humidity, WiFi
Air Quality Meter - detects temperature, humidity, CO₂ (carbon dioxide), measurement range from 400 to 5000 ppm, deviation 50 ppm, temperature measurement from -10 to 40 °C with accuracy 2 °C, humidity measurement from 20 to 80 % with accuracy 5 %, mains + battery-powered, notifications via push notifications, battery indication, features: alarm, cover material plastic, operating temperature from -10 to 40 °C, operating humidity from 20 to 80 %, input voltage 5 V, power cable and power adapter included, compatible with Tuya, Smartlife and MOES, standalone unit, app language: English, compatible with Android and iOS
-5 % off new 1,419,- New 1,499,-
Buy
Unsealed - in stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Moes2518
White Sengled Pulse Horn Set
Holder - For Sengled Pulse Flex Light Bulbs, made of brushed aluminium, 2 pcs
-69 % off new 579,- New 1,929,-
Buy
Unsealed - in stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: SNG100b2
ONDILO ICO Pool V2, smart water monitor, salt disinfection
Sensor - water quality analysis, minimal maintenance, durable construction
-6 % off new 11,690,- New 12,499,-
Buy
As good as new - in stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: ONDa24001
4.2
Eve Door & Window (Matter - compatible with Apple, Google, SmartThings & Amazon Alexa)
Door and Window Sensor - wireless, compatible with Apple Home, Google Home and Samsung SmartThings, connect via Bluetooth, central unit required, supported OS: Android and iOS, application in English
1,399,-
Buy
In stock 1 pcs
Order Code: Eve23_02

Smart Home Sensors & Detectors

Smart Home Sensors & Detectors

In the category Smart Home Sensors & Detectors on Alza.cz, we currently have a total of 570 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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