Best sellers, best smart Home Sensors & Detectors

We also think that you deserve the best. That’s why on this page, we ranked smart Home Sensors & Detectors from the most sold to the least sold. You have 324 products to choose from. Customers have the most interest in AQARA Presence Multi-Sensor FP300 (PS-S04D), Zigbee, Thread, which you can buy for 44.99 € incl. VAT. If you’re intrested in smart Home Sensors & Detectors in terms of the highest reviews, then look at the smart Home Sensors & Detectors reviews and tests category.

Jak zabezpečit chytrou domácnost? All smart Home Sensors & Detectors

Shelly Blu H&T, battery operated temperature and humidity sensor, Bluetooth + Zigbee, Mocha

2×

20.90 € 22.90 €

Currently Unavailable

Humidity Sensor

View

Meross Smart Presence Sensor (Thread)

36.90 €

In stock > 5 pcs

Sensor - mmWave occupancy sensor with micro motion detection, Matter over Thread, Local control without Wi-Fi, range up to 6 m, multi-zone detection, 360° swivel bracket, IP67,...

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...

Govee Thermometer and hygrometer, Wi-Fi

2 variants

Sensor - smart temperature and humidity sensor, BT + Wi-Fi connectivity, export data for up to two years, 2x AA batteries, Connectivity with Govee Home, update values every 2...

SONOFF AirGuard CO2 Matter Over Wi-Fi Air Quality Monitor SAWF-08P

64.90 €

In stock > 5 pcs

Air Quality Meter - detects temperature, humidity, CO₂ (carbon dioxide), measurement range from 400 to 5000 ppm, gas detection sensitivity 50 ppm, temperature measurement from 0 to...

SONOFF AirGuard PM2.5/PM10 Matter Over Wi-Fi Air Quality Monitor SAWF-07P

56.90 €

In stock > 5 pcs

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...

SONOFF AirGuard TH 3.6'' LCD Zigbee Temperature And Humidity Sensor SNZB-02DR2

20.90 €

In stock > 10 pcs

Sensor - temperature and humidity sensor, Zigbee, large 3.6" LCD display, min. and max. Values, up to 6 months of data history in the app, graphs and analysis (dew point, VPD),...

SwitchBot Presence Sensor

Price has not been set

Currently Unavailable

Sensor - 3in1 presence detection (mmWave radar, PIR, light sensor), recognition of micro-movements and static persons, range up to 8 m (movement) / 5 m (presence), 120° angle of...

View

AVATTO Zigbee Water Sensor

Price has not been set

Currently Unavailable

Sensor - ZigBee connection (ZigBee gateway required), compatible with Tuya/Smart Life, water leak detection (probe), in-app notifications (push notifications), local alarm, history...

View

AVATTO WiFi Smart Door Sensor

Price has not been set

Currently Unavailable

Sensor - notifications on opening/closing, remote monitoring in Tuya/Smart Life, smart automation (Smart Linkage), voice status query (Alexa/Google Assistant), history of events,...

View

Nedis SmartLife Smart Smoke Detector Wi-Fi WIFIDS21WT

32.90 €

Currently Unavailable

Smoke Detector - battery-powered , acoustic signals, signal volume 85 dB, cover material plastic, input voltage 3V, compatible with Smartlife, standalone unit, compatible with...

View

Siemens Connected Home water leak detector SCH040ZB, ZigBee

76.53 €

Currently Unavailable

Water Leak Detector - detects water gas, battery-powered, reaction time: 2s, sound level: 60dB, compatible with Connected Home, battery indication, central unit required to...

View

Siemens Connected Home window/door switch SCH020ZB, ZigBee

50.17 €

Currently Unavailable

Door and Window Sensor -, compatible with Google Home, connect via Radio frequency, battery indication, range of 14m, central unit required, supported OS: Android and iOS

View

Siemens Connected Home motion detector SCH010ZB, ZigBee

92.72 €

Currently Unavailable

Motion Sesnor , connect through Radio frequency, closed system with detection animal and Human presence, range: security and home control, power supply: Battery-Powered,

View

Xiaomi Temperature and Humidity Monitor 3 Mini

21×

10.90 €

In stock > 10 pcs

Sensor - temperature detection, humidity, functioning independently, CR2450 battery power supply, Xiaomi Home compatible apps, plastic material, Bluetooth connection, optical...

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

7×

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

IMMAX NEO Smart Ultrasonic Liquid Level Sensor , 5 m, WiFi

45.52 €

Ordered on request

Sensor - precise measurement using ultrasonic technology, suitable for any type of liquid, IP65 resistance, possibility of connection to a smart water valve, Immax NEO PRO app in...

Shelly Gen4 Flood, flood sensor, Bluetooth

1×

36.90 €

In stock 3 pcs

Water Leak Detector - detects Humidity and water gas, battery-powered, range: 2 m, sound level: 50dB, compatible with Apple Home, Google Home, Manufacturer app and Home Assistant,...

Meross Smart Smoke Alarm - set 3x MA151 + 1x MSH450 Matter hub

1×

116.90 €

In stock > 5 pcs

Smoke Detector - battery-powered , reaction time 0,002 s, acoustic signals, notifications via push notifications, signal volume 110 dB, features: alarm, cover material plastic,...

Meross Smart Smoke Alarm

1×

32.90 €

Currently Unavailable

Smoke Detector - battery-powered , reaction time 0,002 s, acoustic signals, notifications via push notifications, signal volume 110 dB, features: alarm, cover material plastic,...

View

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,...

Ultrahuman Home

625.90 €

In stock 1 pcs

Air Quality Meter - detects smoke, CO (carbon monoxide), light, temperature, humidity, TVOC (volatile organic compounds), CO₂ (carbon dioxide), noise, dust particles, mains power...

Shelly DS18B20

7.59 €

In stock > 5 pcs

Temperature Sensor - mains power supply, 3 m range, stand-alone unit

No longer sold

Try our cookies

Alza.cz a. s., Company identification number 27082440, uses cookies to ensure the functionality of the website and with your consent also to personalisage the content of our website. By clicking on the “I understand“ button, you agree to the use of cookies and the transfer of data regarding the behavior on the website for displaying targeted advertising on social networks and advertising networks on other websites.

More information