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.
Alzak icon
Catalogue
Price
-
Availability
Compatible app
(73)
(25)
(69)
(130)
(66)
Protocol
(111)
(40)
(16)
(22)
(22)
(1)

Best sellers, best smart Home Security

We also think that you deserve the best. That’s why on this page, we ranked smart Home Security from the most sold to the least sold. You have 603 products to choose from. Customers have the most interest in SONOFF Zigbee Temperature and Humidity Sensor, which you can buy for 13.90 € incl. VAT. If you’re intrested in smart Home Security in terms of the highest reviews, then look at the smart Home Security reviews and tests category.
603 Results
4.7
MOES CO Detector, Zigbee
Gas Leak Detector - detects CO (carbon monoxide), battery-powered, acoustic signals, notifications via push notifications, signal volume 85 dB, battery indication, features self-diagnostics, cover material plastic, operating temperature from -10 to 40 °C,, compatible with Tuya and MOES, requires a central hub, app language options: Czech and English , compatible with Android and iOS
37.90 €
Buy
In stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Moes22_37
Meross Smart Presence Sensor (Thread)
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, CR123A battery up to 3 years
New arrival 36.90 €
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Mer2601
4.6 20×
Shelly Gen3 H&T, battery operated temperature and humidity sensor with display, WiFi, black
Detector - dimensions without stand 70 x 70 x 26 mm, with stand 70 x 70 x 45 mm, ambient temperature 0 °C to 40 °C, humidity between 30% and 70% relative humidity, 4 AA (LR6) 1.5 V batteries (batteries not included), USB Type-C power supply (cable not included)
34.90 €
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Shell24_008
4.9 11×
SONOFF IP65 Zigbee LCD Smart Thermometer (Probe Version) SNZB-02LD
Digital Thermometer – IP65 waterproof design with 1.5m probe, temperature measurement even in liquids and confined spaces, 2.2″ LCD display, accuracy ±0.2 °C, measurement history up to 180 days, smart scenes and notifications, compatible with voice assistants, Zigbee 3.0 compatible
31.90 €
Buy
On the way > 5 pcs
Expected 25/06/2026
Order Code: SNFa117
SONOFF AirGuard TH 3.6'' LCD Zigbee Temperature And Humidity Sensor SNZB-02DR2
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), remote display of data from another sensor, Matter Bridge support, Apple Home, voice control, smart home automation
Buy with code ALZADAYS15AT 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 ALZADAYS15AT. Das Angebot gilt bis zum 15. September 2025 oder solange der Vorrat reicht und ist nur für Endverbraucher bestimmt. 17.77 €
20.90 €
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: SNF2613
4.5 52×
AQARA Water Leak Sensor T1
Water Leak Detector - detects water gas, battery-powered, compatible with Apple Home, Google Home, Samsung SmartThings, IFTTT and Aqara Home, connect via Bluetooth, battery indication, central unit required to function,, app with Czech language support, app with Czech and English language support for Android and iOS
20.99 €
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Aqara23_005
4.8 150×
TP-Link Tapo T110, Smart window/door sensor
Door and Window Sensor - wireless, compatible with Apple Home and Samsung SmartThings, connect via Radio frequency, central unit required, supported OS: Android and iOS, application in Czech, application in Czech and English
14.90 €
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: TP22_39
4.0 18×
Gosund Intelligent Water Leak Sensor, Zigbee
Water Leak Detector - detects water gas, battery-powered, compatible with Tuya and Manufacturer app, central unit required to function,, app with Czech language support, app with Czech and English language support for Android
12.90 €
Buy
In stock 3 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: GoSnd32
4.3 25×
Xiaomi Temperature and Humidity Monitor 3 Mini
Sensor - temperature detection, humidity, functioning independently, CR2450 battery power supply, Xiaomi Home compatible apps, plastic material, Bluetooth connection, optical signalling, installation by gluing
Great price 10.90 €
Buy
In stock 4 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: XIA25001
4.7 39×
SwitchBot Thermo/Hygrometer Indoor/Outdoor
Sensor - measures temperature and humidity, mobile apps, degree of protection IP65, strap for hanging, updates the measured values every 4 seconds, for remote synchronisation or control by voice assistants a central unit is required (not included)
17.90 €
Currently Unavailable
Order Code: SwBot21_26
3.5
Sonoff PIR3-RF Small 433MHz RF PIR3 Motion Sensor
Sensor - movement, a bridge is necessary to function, the angle of view: 100°, two modes, range: 8 m, connection: radio waves, colour: white
13.90 €
Currently Unavailable
Order Code: SNF21a054
Nice battery operated CO sensor
Air Quality Meter - detects CO (carbon monoxide), temperature measurement from -20 to 100 °C with accuracy 0.5 °C, battery-powered, acoustic signals, notifications via push notifications, battery indication, features: alarm, cover material plastic, operating temperature from 0 to 55 °C,, battery included, requires a central hub, app language options: Czech and English
136.90 €
Currently Unavailable
Order Code: Nice26020
39.90 €
Currently Unavailable
Order Code: Nice26021
Nice battery operated motion sensor
Motion Sesnor , connect through WiFi 2,4 GHz, closed system with detection motion compatible with Manufacturer app, range: lighting, security and home control, application in English and Czech, power supply: Battery-Powered,
83.90 €
Currently Unavailable
Order Code: Nice26015
Nice window/door sensor, brown
Door and Window Sensor - wireless, compatible with Manufacturer app, connect via WiFi 2,4 GHz, battery indication and protection against sabotage, central unit required, application in Czech, application in Czech and English
73.90 €
Currently Unavailable
Order Code: Nice26019
Nice battery operated smoke detector
Smoke Detector - temperature measurement from -20 to 100 °C with accuracy 0,5 °C, battery-powered , acoustic signals, notifications via push notifications, battery indication, features: alarm, cover material plastic, operating temperature from 0 to 55 °C, operating humidity from 0 to 93 %, battery included, requires a central hub, app language options: Czech and English
96.90 €
Currently Unavailable
Order Code: Nice26016
Nice battery operated flood detector
Water Leak Detector - detects Humidity gas, battery-powered, compatible with Manufacturer app, connect via WiFi 2,4 GHz, battery indication, central unit required to function,, app with Czech language support, app with Czech and English language support
96.90 €
Currently Unavailable
Order Code: Nice26017
Nice window/door sensor, white
Door and Window Sensor - wireless, compatible with Manufacturer app, connect via WiFi 2,4 GHz, battery indication and protection against sabotage, central unit required, application in Czech, application in Czech and English
73.90 €
Currently Unavailable
Order Code: Nice26018
ONDILO ICO Pool V2 Essential +, smart water monitor and calibration kit - Cl/Br disinfection
Detector - smart water monitor, water temperature sensors, water quality analysis, intuitive, low maintenance
482.90 €
Buy
On the way 2 pcs
Expected 15/06/2026
Order Code: ONDa26001
ONDILO ICO Spa V2 Essential +, smart water monitor and calibration kit - Cl/Br disinfection
Detector - smart water monitor, for monitoring the water quality in the hot tub, compatible with chlorine and bromine sanitizers, intuitive, low maintenance
482.90 €
Buy
On the way 1 pcs
Expected 15/06/2026
Order Code: ONDa26002
ONDILO ICO Pool V2 Essential +, smart water monitor and calibration kit - salt disinfection
Detector - smart water monitor, sensors monitoring the water temperature, water quality analysis, intuitive, low maintenance, Compatible with systems using salt for water treatment
523.90 €
Buy
On the way 1 pcs
Expected 15/06/2026
Order Code: ONDa26003
Nuki Smart Lock Ultra + Nuki Keypad 2 NFC
Set - Smart lock - on the inside of the door, checking the battery status, Bluetooth access sharing and unlocking, controlled via Bluetooth, supports Android, Windows and iOS, Compatible with Apple Home, Google Home and Samsung SmartThings, applications in Czech and English, functioning independently, silver colour, dimensions 58 × 57 mm (H×W), cylinder and cylinder reducer included, Additional keypad - with fingerprint and code unlock, NFC unlocking support via digital wallet, works with Apple Home Key and Samsung Digital Home Key, the ability to unlock with your phone using the Nuki app, Smart Home mode with Matter Hub support, NFC unlocking without the need for a smart home system, Capacity of up to 20 fingerprints and 200 passcodes, fast fingerprint sensor response, elegant design with backlit reader, for outdoor use, easy installation with adhesive tape or screws, battery power with a minimum of 12 months
New arrival 582.80 €
Buy
In stock > 5 pcs
Order Code: Nuki25001BUN
Nuki Smart Lock Pro (5th Gen) + Nuki Keypad 2 NFC
Set - Smart lock - on the inside of the door, checking the battery status, Bluetooth access sharing and unlocking, controlled via WiFi 2.4 GHz and Bluetooth, supports Android and iOS, Compatible with Apple Home, Google Home and Samsung SmartThings, applications in Czech and English, functioning independently, silver colour, dimensions 57 × 57 mm (W×D), Additional keypad - with fingerprint and code unlock, NFC unlocking support via digital wallet, works with Apple Home Key and Samsung Digital Home Key, the ability to unlock with your phone using the Nuki app, Smart Home mode with Matter Hub support, NFC unlocking without the need for a smart home system, Capacity of up to 20 fingerprints and 200 passcodes, fast fingerprint sensor response, elegant design with backlit reader, for outdoor use, easy installation with adhesive tape or screws, battery power with a minimum of 12 months
New arrival 508.80 €
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Nuki25003BUN
WG WG2 LightBell Pro wireless doorbell, white
Doorbell wireless, connection via radio frequency, mains operated, input voltage: 230 V, signal range of 150m, number of melodies: 58, motion sensor and nametag frame
New arrival 26.90 €
Buy
In stock 2 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: WG26001
 
Check out products sorted by price starting with the lowest price in the category cheap smart Home Security Find products sorted from the most expensive to the cheapest in the category most expensive smart Home Security Check out products sorted by price starting with the highest price in the category best sellers, best smart Home Security You’ll find products sorted by reviews starting from the highest ranked in smart Home Security reviews
P-DC1-WEB20

Alza Karlsplatz Hast du schon unseren neuen Alza 24/7-Shop am Wiener Karlsplatz besucht? More info »