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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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521 Results
ONDILO ICO Pool V2 Essential +, smart water monitor and calibration kit - Cl/Br disinfection
Detector - smart water monitor, water temperature sensors, water quality analysis, intuitive, low maintenance
Discounted -5 % 469.26 € 494.90 €
Buy
In stock
Order Code: ONDa26001
ONDILO ICO Spa V2 Essential +, smart water monitor and calibration kit - Cl/Br disinfection
Detector - smart water monitor, for monitoring the water quality in the hot tub, compatible with chlorine and bromine sanitizers, intuitive, low maintenance
New arrival 494.90 €
Buy
In stock 3 pcs at the supplier's
Order Code: ONDa26002
SONOFF AirGuard PM2.5/PM10 Matter Over Wi-Fi Air Quality Monitor SAWF-07P
Air Quality Meter - detects temperature, humidity, dust particles, measurement range from 400 to 5000 ppm, gas detection sensitivity 50 ppm, temperature measurement from 0 to 50 °C with accuracy 0.5 °C, humidity measurement from 5 to 99 % with accuracy 3 %, acoustic, visual signals, notifications via push notifications, display, features: alarm, cover material plastic, operating temperature from -10 to 50 °C,, input voltage 5 V, power cable included, compatible with Apple Home, Google Home, Samsung SmartThings, eWeLink and Home Assistant, standalone unit, app language options: Czech and English, compatible with Android and iOS
-15 % off new 39.90 € New 47.01 €
Buy
Unsealed - in stock 2 pcs
Order Code: SNF2612
GARNI 080Q Wireless outdoor air quality sensor
Sensor Wireless outdoor air quality sensor for the GARNI 3055 Arcus Wi-Fi weather station.
-30 % off new 60.90 € New 88.18 €
Buy
Unsealed - in stock 1 pcs
Order Code: Garni22_03
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.
-60 % off new 63.90 € New 159.90 €
Buy
Unsealed - in stock 1 pcs
Order Code: Home22_37
White Sengled Pulse Horn Set
Holder - For Sengled Pulse Flex Light Bulbs, made of brushed aluminium, 2 pcs
21.90 €
Buy
Unsealed - in stock 1 pcs
Order Code: SNG100b2
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
Great price 12.55 €
Buy
In stock > 10 pcs at the supplier's
Order Code: XI300l03
3.8 24×
iQtech SmartLife CS01W Combo CO + Smoke Detector, Wi-Fi
Smoke Detector - detects gas, measurement range from 50 to 300 ppm, battery-powered , acoustic signals, signal volume 85 dB, cover material plastic, compatible with Tuya, standalone unit, app language options: Czech and English , compatible with Android and iOS
41.72 €
Buy
In stock > 5 pcs at the supplier's
Order Code: iQ21TECH134
4.6
iGET SECURITY EP10 - wireless vibration sensor for iGET M5-4G alarm
Detector vibration detection sensor for iGET SECURITY M5 alarm. It is used for windows, showcases, valuable things like TV, antiques, etc. As soon as a minor shock occurs, the sensor immediately sounds an 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.
Discounted -10 % 16.90 € 18.90 €
Buy
In stock 2 pcs at the supplier's
Order Code: iGt21018
5.0
Ajax LeaksProtect White
Water Leak Detector - detects water gas, battery-powered, range: 1300 m, reaction time: 0,15s, compatible with Ajax, connection via radio waves, protection against sabotage, central unit required to function, app with English language support for Android and iOS
61.12 €
Buy
In stock 2 pcs at the supplier's
Order Code: AJAX8050
4.5 10×
SwitchBot Motion Sensor
Motion Sesnor , connect through WiFi 2,4 GHz, open system with detection motion, range: security, power supply: Battery-Powered,
18.62 €
Buy
In stock 4 pcs at the supplier's
Order Code: SwBot21_12
4.5 11×
Flammable gas leak detector - solid state sensor, 85dB siren, battery backup
Gas Leak Detector - detects natural gas, propane-butane, LPG, deviation 1500 ppm, gas detection sensitivity 2500 ppm, combined mains + battery-powered , acoustic signals, signal volume 85 dB, features test button and alarm, cover material plastic, operating temperature to 50 °C, ingress protection IP20, input voltage 230 V, mounting kit included, standalone unit
14.90 €
Buy
In stock > 10 pcs at the supplier's
Order Code: Solight22_24
3.5
Smoot Air Gas Sensor
Gas Leak Detector - detects natural gas, propane-butane, smoke, mains power supply, notifications via push notifications, battery indication and display, cover material plastic, compatible with Apple Siri shortcuts and Tuya, standalone unit, app language: Czech, compatible with Android and iOS
37.33 €
Buy
In stock 4 pcs at the supplier's
Order Code: SMTphsnz8
4.0
Tellur WiFi Smart door/window sensor, AAA, white
Door and Window Sensor - wireless, compatible with Manufacturer app, connect via WiFi 2,4 GHz, battery indication, separately functional unit, supported OS: Android and iOS, application in Czech, application in Czech and English
20.55 €
Buy
In stock 1 pcs at the supplier's
Order Code: TLLR2103
5.0
Ajax DoorProtect Plus Black
Door and Window Sensor - wireless, compatible with Ajax, connect via Radio frequency, deviation angle adjustment and protection against sabotage, range of 1000m, central unit required, supported OS: Android, Windows and iOS, application in English
79.50 €
Buy
In stock > 5 pcs at the supplier's
Order Code: AJAX9996
5.0
BOT Smart WiFi GS3
Gas Leak Detector - mains power supply, notifications via push notifications, signal volume 70 dB, cover material plastic, operating temperature from -10 to 50 °C, ingress protection IP20, input voltage 230 V, compatible with Tuya, standalone unit, app language options: Czech and English , compatible with Android and iOS
Discounted -11 % 21.11 € 23.84 €
Buy
In stock at the supplier's
Order Code: HOMEaaa1848
4.6 16×
NEDIS WIFIRC10CBK
TV Remote Control - universal, compatible with set-top box, air conditioner, range 5 m, infra-red transmission technology, compatible app
from  19.72 €
Buy
In stock > 5 pcs at the supplier's
Order Code: NESDV075a1
5.0
XtendLan PS-IR02
TV Remote Control -, range 0.03 m, infra-red transmission technology
14.90 €
Buy
In stock > 10 pcs at the supplier's
Order Code: Xten_22_24
3.8
BOT Smart gas detector WiFi GS5
Gas Leak Detector - mains power supply, detection reach 20 m, acoustic signals, notifications via push notifications, signal volume 70 dB, display, features alarm, cover material plastic, operating temperature from -10 to 55 °C, input voltage 230 V, compatible with Tuya and Smartlife, requires a central hub, app language options: Czech and English , compatible with Android and iOS
Discounted -11 % 29.27 € 33.05 €
Buy
In stock at the supplier's
Order Code: BOTdet008
4.0
Smoot Air Smoke
Smoke Detector - battery-powered , acoustic signals, notifications via push notifications, signal volume 85 dB, battery indication, features: alarm, cover material plastic, battery and mounting kit included, compatible with Apple Siri shortcuts and Tuya, standalone unit, app language: Czech, compatible with Android and iOS
24.75 €
Buy
In stock > 10 pcs at the supplier's
Order Code: HLDdh22
4.8
iGET SECURITY P2 - wired PIR motion detector for iGET SECURITY M3B and M2B
Motion Sesnor , connect through Radio frequency, open system with detection motion, range: security, power supply: Power plug,
16.90 €
Buy
In stock > 10 pcs at the supplier's
Order Code: NU105d
3.5
iGET SECURITY P11v2 - wireless outdoor siren (battery/adapter)
Siren - closed system, area of use: security, OS supported: Android and iOS, power supply: Power plug and Battery-Powered, in Czech and English
52.90 €
Buy
In stock 3 pcs at the supplier's
Order Code: iGt21012
3.8
Xiaomi Mi Motion Sensor 2S
Motion Sesnor , connect through Bluetooth, closed system with detection motion and Light compatible with Xiaomi Home, range: lighting, security and home control, power supply: Battery-Powered,
16.90 €
Buy
In stock > 10 pcs at the supplier's
Order Code: XI300l04
4.3
Smoot Air Leak Pro
Water Leak Detector - detects water gas, battery-powered, compatible with Apple Siri shortcuts and Tuya, connect via WiFi 2,4 GHz, battery indication, standalone functional unit,, app with Czech language support for Android and iOS
18.83 €
Buy
In stock > 10 pcs at the supplier's
Order Code: HLDdh19
In the category Smart Home Sensors & Detectors on Alza.sk, we currently have a total of 521 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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