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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 5.39 € incl. VAT. Is this what you’re looking for?
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MOES Human Presence Sensor + Light Sensor, Zigbee - Motion Sesnor
MOES Human Presence Sensor + Light Sensor, Zigbee
35.90 €
Currently Unavailable
Buy with code ALZADNI20 28.72 € The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získajte zľavu 20% s kódom ALZADNI20. Kliknite a kód sa uplatní automaticky.
Motion Sesnor , connect through WiFi 2,4 GHz, open system with detection motion compatible with Tuya, Smartlife and MOES, range: security, power supply: USB,
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Woox R7305 Smart Zigbee smoke detector - Smoke Detector
Woox R7305 Smart Zigbee smoke detector
35.90 €
Ordered on request
Smoke Detector - detects temperature, battery-powered , detection reach 30 m, notifications via push notifications, battery indication, cover material plastic, requires a central...
Nedis ZBDS10WT - Smoke Detector
Nedis ZBDS10WT
35.90 €
In stock 2 pcs at the supplier's
Smoke Detector - battery-powered , notifications via push notifications, signal volume 85 dB, battery indication, features: automatic scenarios, operating temperature from -10 to...
iQtech Smartlife GW003, Bluetooth gateway, WiFi - Detector
iQtech Smartlife GW003, Bluetooth gateway, WiFi
35.90 €
Currently Unavailable
Detector Bluetooth gateway, WiFi
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Meross Smart Presence Sensor - Sensor
Meross Smart Presence Sensor
-14 % off new 35.90 € New 41.90 €
Unsealed - in stock 2 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Buy with code ALZADNI20 28.72 € The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získajte zľavu 20% s kódom ALZADNI20. Kliknite a kód sa uplatní automaticky.
Sensor - dual detection technology, accurate presence detection even without motion, range up to 12 m, intelligent lighting automation, minimising false alarms, HomeKit...
SAFE Door Guard, white - Sensor
SAFE Door Guard, white
New arrival 36.90 €
In stock 2 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Buy with code ALZADNI10 33.21 € The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získajte zľavu 10 % s kódom ALZADNI10. Kliknite a kód sa uplatní automaticky.
Sensor - Wireless magnetic door and window security detector Powered by a replaceable battery that allows continuous operation for up to 5 years, white colour
Niceboy ION ORBIS Bridge - Central Unit
Niceboy ION ORBIS Bridge
36.90 €
Ordered on request
Buy with code ALZADNI40 22.14 € The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získajte zľavu 40 % s kódom ALZADNI40. Kliknite a kód sa uplatní automaticky.
Central Unit - used as home control, connect using WiFi 2,4 GHz and Bluetooth, communication via Niceboy ION, compatible with Android and iOS, USB power supply
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Smoot Air Gas Sensor - Gas Leak Detector
Smoot Air Gas Sensor
37.12 €
In stock > 5 pcs at the supplier's
Gas Leak Detector - detects natural gas, propane-butane, smoke, mains power supply, notifications via push notifications, battery indication and display, cover material plastic,...
Meross Smart Presence Sensor (Thread) - Sensor
Meross Smart Presence Sensor (Thread)
New arrival 37.90 €
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
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, Wi-Fi - Sensor
Govee Thermometer and hygrometer, Wi-Fi
37.90 €
On the way > 5 pcs
Expected 07/05/2026
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...
Shelly Gen4 Flood, flood sensor, Bluetooth - Water Leak Detector
Shelly Gen4 Flood, flood sensor, Bluetooth
37.90 €
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
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,...
EVOLVEO SecuPro, wireless siren with solar power - Siren
EVOLVEO SecuPro, wireless siren with solar power
37.90 €
In stock 1 pcs at the supplier's
Siren - closed system, area of use: security, power supply: Battery-Powered, Solar and USB
SwitchBot Meter Pro - Sensor
SwitchBot Meter Pro
37.90 €
In stock 4 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Buy with code ALZADNI30 26.53 € The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získajte zľavu 30 % s kódom ALZADNI30. Kliknite a kód sa uplatní automaticky.
Sensor - temperature detection, humidity, temperature measurement from 0 to 50 °C with an accuracy of 0.5 °C, moisture measurement with 3% accuracy, battery power, notifications...
IMMAX NEO 3x Smart magnetic sensor for doors and windows, Zigbee 3.0 - Detector
IMMAX NEO 3x Smart magnetic sensor for doors and windows, Zigbee 3.0
37.90 €
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Detector - Smart magnetic sensor for windows and doors to secure your home, ZigBee 3.0, three pieces in the package, CR2032 battery, Immax NEO PRO app in Czech and 60 other...
QINGPING Temperature & RH Monitor Pro S Wi-Fi - Sensor
QINGPING Temperature & RH Monitor Pro S Wi-Fi
-7 % off new 38.90 € New 41.88 €
Unsealed - in stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Buy with code ALZADNI50 19.45 € The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získajte zľavu 50 % s kódom ALZADNI50. Kliknite a kód sa uplatní automaticky. 
Sensor - professional temperature and humidity monitoring for greenhouses, factories, warehouses, business centers, supermarkets and hospitals, temperature range -20 to 50 °C,...
Meross Smart Temperature and Humidity Sensor Kit MS100F+ MSH300 - Sensor
Meross Smart Temperature and Humidity Sensor Kit MS100F+ MSH300
38.90 €
In stock 4 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Buy with code ALZADNI20 31.12 € The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získajte zľavu 20% s kódom ALZADNI20. Kliknite a kód sa uplatní automaticky.
Sensor - temperature measurement in °C or °F, measurement of humidity in %, functionality only with Meross Hub (included), mobile apps, notifications, battery operation (CR2477),...
iQtech SmartLife GS02, Wi-Fi - Gas Leak Detector
iQtech SmartLife GS02, Wi-Fi
39.90 €
On the way 1 pcs
Expected 26/04/2026
Gas Leak Detector - mains power supply, acoustic signals, cover material plastic, input voltage 230 V, power cable included, compatible with Tuya and Smartlife, standalone unit,...
iQtech SmartLife CS01W Combo CO + Smoke Detector, Wi-Fi - Smoke Detector
iQtech SmartLife CS01W Combo CO + Smoke Detector, Wi-Fi
-4 % off new 39.90 € New 41.72 €
Unsealed - in stock 1 pcs
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,...
AQARA Climate Sensor W100 (TH-S04D) - Zigbee and Thread - Sensor
AQARA Climate Sensor W100 (TH-S04D) - Zigbee and Thread
40.90 €
Unsealed - in stock 2 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Buy with code ALZADNI15 34.77 € The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získajte zľavu 15 % s kódom ALZADNI15. Kliknite a kód sa uplatní automaticky.
Sensor - sensor with 3.4-inch LCD display that monitors temperature and humidity
QINGPING Temperature & RH monitor, T version (Apple Homekit) - Sensor
QINGPING Temperature & RH monitor, T version (Apple Homekit)
40.90 €
In stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Sensor - for measuring temperature and humidity in the room, clear E-ink display, placement on the wall (sticker) and on the table (hinged stand), high-precision sensor from...
iGET SECURITY EP24 - indoor siren, battery or microUSB power supply for iGET M5-4G alarm - Siren
iGET SECURITY EP24 - indoor siren, battery or microUSB power supply for iGET M5-4G alarm
40.90 €
In stock 2 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Siren - closed system, area of use: security, OS supported: Android and iOS, power supply: Power plug and Battery-Powered, in Czech and English
IMMAX NEO Smart Occupancy Sensor, Zigbee 3.0 - Motion Sesnor
IMMAX NEO Smart Occupancy Sensor, Zigbee 3.0
41.69 €
In stock > 5 pcs at the supplier's
Motion Sesnor , connect through WiFi 2,4 GHz and WiFi 5 GHz, open system with detection motion and Light compatible with Apple Siri shortcuts, Tuya and Immax NEO PRO, range:...
iQtech SmartLife CS01W Combo CO + Smoke Detector, Wi-Fi - Smoke Detector
iQtech SmartLife CS01W Combo CO + Smoke Detector, Wi-Fi
41.72 €
Currently Unavailable
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,...
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QINGPING Temperature & RH Monitor Pro S Wi-Fi - Sensor
QINGPING Temperature & RH Monitor Pro S Wi-Fi
41.88 €
In stock > 5 pcs
Buy with code ALZADNI50 20.94 € The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získajte zľavu 50 % s kódom ALZADNI50. Kliknite a kód sa uplatní automaticky. 
Sensor - professional temperature and humidity monitoring for greenhouses, factories, warehouses, business centers, supermarkets and hospitals, temperature range -20 to 50 °C,...
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