Cheap smart Home Sensors & Detectors

On this page you will find smart Home Sensors & Detectors at the lowest prices, more so all smart Home Sensors & Detectors ranked from the lowest to the highest price. It will be easier to see products that are now marked at their lowest price. The item with the lowest price in this category is Shelly-BYPASS marked at 4.89 € incl. VAT. Is this what you’re looking for?

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Solight wireless motion detector 1D23

15.90 € 17.90 €

In stock > 5 pcs

Door and Window Sensor - with mains + battery power, connect via Radio frequency, range of 200m, separately functional unit

RETLUX RSH 309 Smart temperature sensor

5×

15.90 €

In stock > 10 pcs

Buy with code ALZADAYS15DE 13.52 € The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Erhalten Sie 15 % Rabatt mit dem Code ALZADAYS15DE. Das Angebot gilt bis zum 15. September 2025 oder solange der Vorrat reicht und ist nur für Endverbraucher bestimmt.

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...

RETLUX RSH 307 Smart door/window sensor

6×

15.90 € 16.90 €

In stock > 5 pcs

Door and Window Sensor -, compatible with Google Home, connect via Radio frequency, battery indication, central unit required

SONOFF SNZB-04P Zigbee Door/Window Sensor

Door and Window Sensor - wireless, compatible with Samsung SmartThings, IFTTT and eWeLink, range of 30m, central unit required, supported OS: Android and iOS, application in Czech,...

Honeywell adapter for HR90, HR92, HR30 to Herz and Comap M28x1,5 valves

1×

15.90 €

In stock 4 pcs

Heating Set - adapter for installation of Honeywell thermostatic heads on Herz and Comap radiator valves with M28 × 1.5 thread (HR92, HR90, HR30)

WOOX Smart Water Leak Sensor R7050

Water Leak Detector - detects water gas,, compatible with Tuya, central unit required to function,, app with Czech language support, app with Czech and English language support for...

iQtech Millennium, Zigbee 2x NoN switch Smartlife, black

1×

16.06 €

In stock 1 pcs

Light Switch - for lighting, operates: Via central unit / bridge, compatible with Tuya and Smartlife, power supply: Power plug, works with Android and iOS, application in Czech

iQtech Millennium, Zigbee 1x NoN switch Smartlife, black

1×

16.16 €

Currently Unavailable

Light Switch - for lighting, operates: Via central unit / bridge, compatible with Tuya and Smartlife, power supply: Power plug, works with Android and iOS, application in Czech

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Meross Smart Water Leak Sensor

16.90 €

In stock > 10 pcs

Sensor - dual detection probe (upper and lower), detection of small droplets and larger leaks, instant acoustic alarm 100 dB, alerts via push notifications to your phone,...

SONOFF SNZB-05P Zigbee Water Leak Sensor

27×

16.90 €

In stock > 10 pcs

2 colors

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...

TP-Link Tapo T300, Smart water leak sensor

89×

16.90 €

In stock > 10 pcs

Water Leak Detector - detects Humidity and water gas, battery-powered, sound level: 90dB, compatible with Google Home and Manufacturer app, connection via radio waves, central unit...

Solight Wireless motion detector/gong

12×

16.90 € 17.90 €

In stock > 5 pcs

Detector volume 65 - 80 dB(A), signal range max. 40m without obstacles, operational range of motion detection 0-8m, angle of view 15° vertically, angle of view 100° horizontally,...

MOES Water Leakage Detector, Zigbee

11×

16.90 €

In stock > 10 pcs

Water Leak Detector - detects water gas, battery-powered, compatible with Tuya and MOES, battery indication, central unit required to function,, app with Czech language support,...

Solight Wireless motion detector/gong

17×

16.90 € 17.90 €

In stock > 10 pcs

Detector volume 65 - 80 dB(A), signal range max. 40m without obstacles, operational range of motion detection 0-8m, angle of view 15° vertically, angle of view 100° horizontally,...

EVOLVEO WiFi SOS, smart emergency SOS button

6×

16.90 €

Currently Unavailable

SOS Button SOS button - Smart Life app, WiFi network, one-button alarm with tow rope, sound and light alarm, recording history and tracking battery status in the app, support for...

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Sensor smart temperature sensor

TP-Link Tapo S200B, Smart button

68×

16.90 €

In stock > 10 pcs

Dimmers for controlling lights, electronics and other Tapo smart devices, adjustable actions, battery operation (1× CR2032)

Xiaomi Mi Wireless Switch

44×

16.90 €

In stock 2 pcs

Smart Wireless Switch - compatible with Xiaomi Home, control via app on Android, Windows and iOS, connect via WiFi 2,4 GHz, application in English

EMOS Mikrovlnný senzor (pohybové čidlo) IP20, 2000 W, 360°, přisazený

17.35 €

Ordered on request

Motion Sensor - for lighting, Interior, mains supply, input voltage: 230 V, reach of 8m, integrated daylight sensor and adjustable sensitivity, independently functional unit

Govee Thermometer and hygrometer with display, Bluetooth

1×

17.90 €

In stock > 10 pcs

2 variants

Sensor - smart temperature and humidity sensor with display, BT connectivity, min max values in 20 days, export data for up to two years, 2x AA batteries, Connectivity with Govee...

IMMAX NEO Smart PIR sensor 2in1 Zigbee 3.0

14×

17.90 €

In stock > 10 pcs

Buy with code ALZADAYS25DE 13.43 € The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Erhalten Sie 25 % Rabatt mit dem Code ALZADAYS25DE. Das Angebot gilt bis zum 15. September 2025 oder solange der Vorrat reicht und ist nur für Endverbraucher bestimmt.

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...