Refresh the page

Alza Days - Smart Home Sensors & Detectors

Save with discount codes

Alza Days
  • The offer is valid from May 4, 2026, until May 18, 2026. Full terms and conditions of the campaign can be found here.
All from 42
AQARA Temperature and Humidity Sensor T1 - Sensor
AQARA Temperature and Humidity Sensor T1
22.90 €
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Buy with code ALZADNI15 19.47 € 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 - monitors and records the internal temperature, humidity and atmospheric pressure in real time, humidity to within 3% and temperature to within 0.3 °C, Zigbee 3.0 wireless...
AQARA Door and Window Sensor T1 - Door and Window Sensor
AQARA Door and Window Sensor T1
20.90 €
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Buy with code ALZADNI10 18.81 € 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.
Door and Window Sensor - wireless, compatible with Apple Home, Google Home, Samsung SmartThings, IFTTT and Aqara Home, battery indication, central unit required, supported OS:...
Eufy Entry Sensor - Door and Window Sensor
Eufy Entry Sensor
32.90 €
In stock 4 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Buy with code ALZADNI20 26.32 € 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.
Door and Window Sensor - magnetic on the door/window, checking that the door is closed, fully compatible with Eufy Security devices, battery in the package - last 2 years, apps on...
AQARA Water Leak Sensor T1 - Water Leak Detector
AQARA Water Leak Sensor T1
Great price 20.99 € Save 0.91 €
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Buy with code ALZADNI10 18.89 € 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.
Water Leak Detector - detects water gas, battery-powered, compatible with Apple Home, Google Home, Samsung SmartThings, IFTTT and Aqara Home, connect via Bluetooth, battery...
AQARA Smoke Detector (SD-S01D) - Zigbee 3.0 - Smoke Detector
AQARA Smoke Detector (SD-S01D) - Zigbee 3.0
45.90 €
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Buy with code ALZADNI10 41.31 € 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.
Smoke Detector - battery-powered , reaction time 0,1 s, notifications via push notifications, battery indication, cover material plastic, operating temperature from 0 to 40 °C,...
AQARA Climate Sensor W100 (TH-S04D) - Zigbee and Thread - Sensor
AQARA Climate Sensor W100 (TH-S04D) - Zigbee and Thread
41.90 €
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Buy with code ALZADNI15 35.62 € 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
Airthings Wave 2nd GEN - radon detector - Air Quality Meter
Airthings Wave 2nd GEN - radon detector
Great price 183.90 € Save 16 €
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Buy with code ALZADNI25 137.93 € The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získajte zľavu 25% s kódom ALZADNI25. Kliknite a kód sa uplatní automaticky.
Air Quality Meter - detects temperature, humidity, radon, temperature measurement with accuracy 0.1 °C, humidity measurement with accuracy 1 %, battery-powered, visual signals,...
IMMAX NEO Smart temperature and humidity sensor, Zigbee 3.0 - Sensor
IMMAX NEO Smart temperature and humidity sensor, Zigbee 3.0
20.90 €
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Buy with code ALZADNI15 17.77 € 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 - Zigbee 3.0, Immax NEO PRO app in Czech and 60 other languages compatible with iOS, Android, with Amazon Alexa voice assistants, Apple Siri Shortcuts, Google Assistant and...
TESLA Smart Sensor Temperature and Humidity Display - Sensor
TESLA Smart Sensor Temperature and Humidity Display
22.90 €
In stock 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Buy with code ALZADNI10 20.61 € 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 - on the wall and on the table, measures temperature and humidity, with a display, 2 AAA batteries, white colour, dimensions 61 × 61 × 23 mm (H×W×D)
TESLA Smart Sensor Siren - Siren
TESLA Smart Sensor Siren
25.90 €
In stock 2 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Buy with code ALZADNI50 12.95 € 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. 
Siren - open system, area of use: security, OS supported: Android and iOS, compatible with Tuya, Smartlife and Tesla Smart, power supply: Power plug and Battery-Powered, in Czech...
TESLA Smart Water Sensor - Water Leak Detector
TESLA Smart Water Sensor
27.90 €
In stock 2 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Buy with code ALZADNI10 25.11 € 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.
Water Leak Detector - detects water gas, battery-powered, range: 50 m, compatible with Tuya, Smartlife and Tesla Smart, connection via radio waves, battery indication, central unit...
IMMAX NEO Smart magnetic sensor for doors and windows, Zigbee 3.0 - Detector
IMMAX NEO Smart magnetic sensor for doors and windows, Zigbee 3.0
14.90 €
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Buy with code ALZADNI15 12.67 € 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.
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
TESLA Smart Smoke Sensor - Smoke Detector
TESLA Smart Smoke Sensor
19.90 €
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Buy with code ALZADNI10 17.91 € 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.
Smoke Detector - battery-powered , detection reach 50 m, acoustic, visual signals, notifications via push notifications, battery indication, features: reset, cover material...
Sonoff THS01 Temperature & Humidity Sensor - Sensor
Sonoff THS01 Temperature & Humidity Sensor
9.90 €
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Buy with code ALZADNI20 7.92 € 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 - replacement sensor for temperature and humidity measurement, compatible with Sonoff TH Origin/Elite, 50 cm long cable, operating temperature -40 to 85 °C, RJ9 4P4C...
TESLA Smart Gas Sensor - Gas Leak Detector
TESLA Smart Gas Sensor
26.90 €
In stock 4 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Buy with code ALZADNI10 24.21 € 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.
Gas Leak Detector - mains power supply, detection reach 50 m, acoustic, visual signals, notifications via push notifications, features reset, cover material plastic, operating...
Meross Smart Presence Sensor - Sensor
Meross Smart Presence Sensor
41.90 €
In stock 4 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Buy with code ALZADNI20 33.52 € 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...
SwitchBot Meter Pro - Sensor
SwitchBot Meter Pro
37.90 €
In stock 1 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...
Tado Wireless temperature sensor X - Detection Sensor
Tado Wireless temperature sensor X
107.90 €
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Buy with code ALZADNI15 91.72 € The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získajte zľavu 15 % s kódom ALZADNI15. Kliknite a kód sa uplatní automaticky.
Detection Sensor The X Wireless Temperature Sensor is an optional add-on for X Smart Thermostatic Heads that allows for more accurate temperature measurement. Package contents:...
EZVIZ T51C Thermo/Hygro sensor - Sensor
EZVIZ T51C Thermo/Hygro sensor
24.90 €
In stock 2 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Buy with code ALZADNI20 19.92 € 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 and humidity measurement, clear display, Zigbee 3.0, battery operation (CR2450), mobile app (central unit needed)
Meross Smart Water Leak Sensor Kit - Sensor
Meross Smart Water Leak Sensor Kit
29.90 €
In stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Buy with code ALZADNI35 19.44 € The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získajte zľavu 35 % s kódom ALZADNI35. Kliknite a kód sa uplatní automaticky.
Sensor - water leak sensor, for a safe home, It works 24/7, powered by replaceable CR123A battery (lifetime 18 months), battery indicator, IP67 waterproof, alerts via the app, 60...
EZVIZ T1C PIR - Motion Sesnor
EZVIZ T1C PIR
25.90 €
In stock 2 pcs
Buy with code ALZADNI25 19.43 € The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získajte zľavu 25% s kódom ALZADNI25. Kliknite a kód sa uplatní automaticky.
Motion Sesnor , closed system with detection motion compatible with Google Home and EZVIZ, range: security, application in English, Czech, German and Hungarian, power supply:...
Meross Smart Temperature and Humidity Sensor MS130-EU - Sensor
Meross Smart Temperature and Humidity Sensor MS130-EU
33.90 €
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Buy with code ALZADNI25 25.43 € The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získajte zľavu 25% s kódom ALZADNI25. Kliknite a kód sa uplatní automaticky.
Sensor – Temperature sensor, humidity and light, Protocol Matter, Large 3.7" display, 4th generation Swiss sensors, Apple HomeKit support, Google Assistant, Alexa and SmartThings,...
Meross Smart Smoke Alarm - set 3x MA151 + 1x MSH450 Matter hub - Smoke Detector
Meross Smart Smoke Alarm - set 3x MA151 + 1x MSH450 Matter hub
119.90 €
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Buy with code ALZADNI20 95.92 € 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.
Smoke Detector - battery-powered , reaction time 0,002 s, acoustic signals, notifications via push notifications, signal volume 110 dB, features: alarm, cover material plastic,...
RETLUX RSH 309 Smart temperature sensor - Temperature Sensor
RETLUX RSH 309 Smart temperature sensor
16.90 €
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Buy with code ALZADNI10 15.21 € 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.
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...

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
I understand Detailed settings Reject everything
P-DC1-WEB16