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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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329 Results
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,
Great price 295.90 €
Buy
In stock 2 pcs
Order Code: AJAX26002
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
47.90 €
Buy
In stock 3 pcs
Order Code: SAFEH26008
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
48.90 €
Buy
In stock 3 pcs
Order Code: SAFEH26007
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
64.90 €
Buy
In stock 5 pcs
Order Code: SAFEH26002
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
40.90 €
Buy
In stock 3 pcs
Order Code: SAFEH26005
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
133.90 €
Buy
In stock 4 pcs
Order Code: SAFEH26001
Discounted -9 % 18.90 € 20.90 €
Buy
In stock > 10 pcs
Order Code: Shell26001
4.0
RETLUX RSH 309 Smart temperature sensor
Temperature Sensor - moisture detection, temperature measurement from -10 to 50 °C with an accuracy of 0.3 °C, moisture measurement with 3% accuracy, battery power, notification via SMS, push notifications, battery status indication, reset function and automatic scenarios, cover material plastic, operating temperature from -10 to 50 °C, operating humidity from 0 to 95%, input voltage 3 V, battery and mounting kit included, independently functional unit central unit required for functionality, applications in Czech and English, compatible with Android and iOS
16.90 €
Buy
In stock > 10 pcs
Order Code: RTLX25041
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
15.90 €
Buy
In stock > 10 pcs
Order Code: RTLX25039
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
628.90 €
Buy
In stock 2 pcs
Order Code: UHhome
5.0
Tedee Door Sensor, white
Sensor - real-time door status detection, door status display in tedee app, long-open door alert, wireless operation, Bluetooth
54.90 €
Buy
In stock 5 pcs
Order Code: Tedee25005
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
34.90 €
Buy
In stock > 5 pcs
Order Code: QGP006a
2.0
QINGPING Bluetooth Clock - pink
Alarm Clock - Digital, power supply: battery
24.90 €
Buy
In stock > 10 pcs
Order Code: QGP012b
4.6 14×
QINGPING Bluetooth Alarm clock (Temperature & RH monitor) - green
Alarm Clock - Digital, power supply: battery, features: date
19.90 €
Buy
In stock > 10 pcs
Order Code: QGP003b
4.7
MOES Mini CO Detector, grey
Gas Leak Detector - measurement range from 0 to 1000 ppm, deviation 100 ppm, reaction time 2 s, acoustic signals, battery indication and display, features alarm, cover material plastic, operating temperature from -10 to 50 °C,, input voltage 24 V, power cable included, standalone unit
39.90 €
Buy
In stock > 5 pcs
Order Code: Moes2512
2.0
MOES Human Presence Sensor + Light Sensor, WiFi
Motion Sesnor , connect through WiFi 2,4 GHz, open system with detection motion, Light and Human presence compatible with Tuya, Smartlife and MOES, range: lighting, security and home control, power supply: USB,
22.90 €
Buy
In stock 5 pcs
Order Code: Moes2515
4.7
MOES Mini CO Detector, orange
Gas Leak Detector - measurement range from 0 to 1000 ppm, reaction time 2 s, acoustic signals, battery indication and display, features alarm, cover material plastic, operating temperature from -10 to 50 °C,, input voltage 24 V, power cable included, standalone unit
39.90 €
Buy
In stock > 5 pcs
Order Code: Moes2513
Xtend Home EZS-PIRP30
Motion Sesnor , connect through Radio frequency with detection motion compatible with Tuya, range: security, application in English, Czech and Slovak, power supply: Battery-Powered,
12.90 €
Buy
In stock 2 pcs
Order Code: Xtend25010
Xtend Home EZS-KLR10
Remote Control - wireless, 4 buttons, 433MHz, for Tuya control panel, 3V battery (CR2032)
8.49 €
Buy
In stock 3 pcs
Order Code: Xtend25013
Xtend Home EZS-DWD01
Door and Window Sensor - wireless, compatible with Tuya, connect via Radio frequency, battery indication and adjustable sensitivity, range of 200m, central unit required, supported OS: Android and iOS, application in Czech, application in Czech and English
8.09 €
Buy
In stock > 5 pcs
Order Code: Xtend25012
5.0
EVOLVEO SecuPro wireless PIR motion sensor
Motion Sesnor , connect through WiFi 2,4 GHz and WiFi 5 GHz with detection motion compatible with Tuya, range: security, application in English, Czech and Slovak, power supply: Battery-Powered,
19.90 €
Buy
In stock 1 pcs
Order Code: EVO24008
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
149.90 €
Buy
In stock 2 pcs
Order Code: Air24001
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,
11.90 €
Buy
In stock > 10 pcs
Order Code: MaTo23_11
5.0
EVOLVEO Alarmex Pro (ACSALMMST) wireless door/window detector
Door and Window Sensor - wireless, compatible with Manufacturer app, connect via WiFi 2,4 GHz, GSM and Radio frequency, range of 100m, central unit required, supported OS: Android and iOS, application in Czech, application in Czech and English
22.90 €
Buy
In stock 2 pcs
Order Code: EVO22_09
 
In the category Smart Home Sensors & Detectors on Alza.de, we currently have a total of 329 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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