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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 4.79 € incl. VAT. Is this what you’re looking for?
330 Results
Solight wireless motion detector 1D23
Door and Window Sensor - with mains + battery power, connect via Radio frequency, range of 200m, separately functional unit
Discounted -11 % 15.90 € 17.90 €
Buy
In stock > 5 pcs
Order Code: Solight26016
4.4
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
Buy with code ALZADAYS15DE 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. 13.52 €
15.90 €
Buy
In stock > 10 pcs
Order Code: RTLX25041
4.1
RETLUX RSH 307 Smart door/window sensor
Door and Window Sensor -, compatible with Google Home, connect via Radio frequency, battery indication, central unit required
Discounted -5 % 15.90 € 16.90 €
Buy
In stock > 5 pcs
Order Code: RTLX25039
4.8 17×
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, application in Czech and English
15.90 €
Buy
On the way > 5 pcs
Expected 24/04/2026
Order Code: SNFa104
5.0
Honeywell adapter for HR90, HR92, HR30 to Herz and Comap M28x1,5 valves
Heating Set - adapter for installation of Honeywell thermostatic heads on Herz and Comap radiator valves with M28 × 1.5 thread (HR92, HR90, HR30)
15.90 €
Buy
In stock 4 pcs
Order Code: HN21Well20
5.0
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 Android and iOS
15.90 €
Buy
Ordered on request
Order Code: Woox22_18
5.0
iQtech Millennium, Zigbee 2x NoN switch Smartlife, black
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
16.06 €
Buy
In stock 1 pcs
Order Code: iQtech22_13
5.0
iQtech Millennium, Zigbee 1x NoN switch Smartlife, black
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
16.16 €
Currently Unavailable
Order Code: iQtech22_10
Meross Smart Water Leak Sensor
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, synchronised alarm with Meross Hub (simultaneous response of all connected units), IP66 resistance, the possibility of smart automations in the app, detection history in the application up to 2 years + data export option, Compatible with Apple Home, Google Home, Amazon Alexa and Samsung SmartThings, control via the Meross app, power supply 2× AAA batteries, battery life up to 3 years, suitable for placing under the sink / next to the washing machine / dishwasher / in the utility room
16.90 €
Buy
In stock > 10 pcs
Order Code: Mer2520
4.9 27×
SONOFF SNZB-05P Zigbee Water Leak Sensor
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 Assistant support
16.90 €
Buy
In stock > 10 pcs
Order Code: SNFa108
4.9 88×
TP-Link Tapo T300, Smart water leak sensor
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 required to function,, app with Czech language support, app with Czech and English language support for Android and iOS
16.90 €
Buy
In stock > 10 pcs
Order Code: TP23_065
4.9 12×
Solight Wireless motion detector/gong
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, 36 adjustable melodies, 3D rotatable sensor stand, wall mounting holes, power supply 3 x AA alkaline batteries (not included), sensor 3 x AAA alkaline batteries or external USB charger 5V DC (not included)
Discounted -5 % 16.90 € 17.90 €
Buy
In stock > 5 pcs
Order Code: Solight23_18
4.6 11×
MOES Water Leakage Detector, Zigbee
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, app with Czech and English language support for Android and iOS
16.90 €
Buy
In stock > 10 pcs
Order Code: Moes22_36
4.7 17×
Solight Wireless motion detector/gong
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, 36 adjustable melodies, 3D rotatable sensor stand, wall mounting holes, receiver power supply AC 230V~50Hz, sensor 3 x AAA alkaline batteries or external USB charger 5V DC (not included)
Discounted -5 % 16.90 € 17.90 €
Buy
In stock > 10 pcs
Order Code: Solight23_17
1.8
EVOLVEO WiFi SOS, smart emergency SOS button
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 automated scenes, easy installation without interference to the mains, helps in crisis situations, batteries: AA, stand-alone functional unit
16.90 €
Currently Unavailable
Order Code: EVO23_023
4.7 138×
TP-Link Tapo T310
Sensor smart temperature sensor
16.90 €
Buy
In stock > 10 pcs
Order Code: TP23_013
4.8 68×
TP-Link Tapo S200B, Smart button
Dimmers for controlling lights, electronics and other Tapo smart devices, adjustable actions, battery operation (1× CR2032)
16.90 €
Buy
In stock > 10 pcs
Order Code: TP22_37
4.3 44×
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
16.90 €
Buy
In stock 5 pcs
Order Code: XI300l03
EMOS Mikrovlnný senzor (pohybové čidlo) IP20, 2000 W, 360°, přisazený
Motion Sensor - for lighting, Interior, mains supply, input voltage: 230 V, reach of 8m, integrated daylight sensor and adjustable sensitivity, independently functional unit
New arrival 17.35 €
Buy
Ordered on request
Order Code: EMOS26066
5.0
Govee Thermometer and hygrometer with display, Bluetooth
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 Home, update values every 2 seconds, custom notifications when set values are exceeded
17.90 €
Buy
In stock > 10 pcs
Order Code: Govee26001
4.1 14×
IMMAX NEO Smart PIR sensor 2in1 Zigbee 3.0
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 PRO, range: lighting, security and home control, application in English, Czech, German, Slovak, Hungarian and In Polish, power supply: USB,
Buy with code ALZADAYS25DE 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. 13.43 €
17.90 €
Buy
In stock > 10 pcs
Order Code: IMMX24071
4.3
Shelly Blu window and door sensor, Bluetooth, black
Door and Window Sensor -, compatible with Samsung SmartThings, connect via Bluetooth, battery indication and deviation angle adjustment, separately functional unit, supported OS: Android, Windows and iOS, application in Czech, application in Czech and English
17.90 €
Buy
On the way 2 pcs
Expected 24/04/2026
Order Code: Shell23_024
4.7 87×
TP-Link Tapo T100, Smart motion sensor
Motion Sesnor , connect through Radio frequency, closed system with detection motion compatible with Samsung SmartThings, range: security, application in English, Czech, German and Slovak, power supply: Battery-Powered,
17.90 €
Buy
In stock > 10 pcs
Order Code: TP22_38
2.1
Sonoff MS01 Smart Soil Moisture Sensor
Sensor - humidity sensor, waterproof (IP55), compatible with Sonoff TH Origin/Elite sensor, cable 50 cm long, support for voice assistants, operating temperature 0 to 60 °C, humidity measurement 0-99% RH, RJ9 4P4C connector
Buy with code ALZADAYS25DE 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. 13.43 €
17.90 €
Buy
In stock > 10 pcs
Order Code: SNFa058

Cheap smart Home Sensors & Detectors

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