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 4.59 € incl. VAT. Is this what you’re looking for?

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IMMAX NEO Smart magnetic sensor for doors and windows, Zigbee 3.0

43×

14.90 €

In stock > 10 pcs

Buy with code ALZADAYS30DE 10.43 € The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Erhalten Sie 30 % Rabatt mit dem Code ALZADAYS30DE. Das Angebot gilt bis zum 15. September 2025 oder solange der Vorrat reicht und ist nur für Endverbraucher bestimmt.

Detector - protects your home, requires connection to a smart gateway or other Zigbee 3.0 hub, alerts via mobile app, range up to 30 m, runs on a 3V CR2032 battery

Sonoff PIR3-RF Small 433MHz RF PIR3 Motion Sensor

9×

14.90 €

In stock 3 pcs

Sensor - movement, a bridge is necessary to function, the angle of view: 100°, two modes, range: 8 m, connection: radio waves, colour: white

Solight wireless motion detector 1D23

15.90 €

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

6×

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

7×

15.90 €

In stock > 10 pcs

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

TP-Link Tapo T300, Smart water leak sensor

91×

15.90 € 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...

XtendLan PS-IR02

3×

15.90 €

Currently Unavailable

TV Remote Control -, range 0.03 m, infra-red transmission technology

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WOOX Smart Water Leak Sensor R7050

6×

15.90 €

In stock 5 pcs

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...

EVOLVEO wireless vibration detector for Alarmex/Sonix

9×

15.90 €

Currently Unavailable

Vibration Detector - detects Opening windows and doors and vibration gas,, range: 40 m, standalone functional unit

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iQtech Millennium, Zigbee 2x NoN switch Smartlife, black

2×

16.06 €

In stock 3 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

Xiaomi Mi Motion Sensor 2S

5×

16.22 €

Currently Unavailable

Motion Sesnor , connect through Bluetooth, closed system with detection motion and Light compatible with Xiaomi Home, range: lighting, security and home control, power supply:...

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Meross Smart Water Leak Sensor

16.90 €

In stock > 10 pcs

Buy with code ALZADAYS20DE 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 20 % Rabatt mit dem Code ALZADAYS20DE. Das Angebot gilt bis zum 15. September 2025 oder solange der Vorrat reicht und ist nur für Endverbraucher bestimmt.

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,...