Home Security Systems
Home Security Systems – same-day delivery available. Just make sure the product you want is in stock. Choose products to buy from the comfort of your home and have them delivered to your address, to an AlzaBox, or to one of our stores. Learn more about why shop on Alza.de.
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Light Switch - for lighting and home control, operates: Via central unit / bridge, compatible with Tesla Smart, power supply: Power plug, connection: WiFi 2,4 GHz, works with Android and iOS, application in Czech and English
Door and Window Sensor - wireless, compatible with Tuya, Smartlife and Manufacturer app, connect via WiFi 2,4 GHz, separately functional unit, supported OS: Android and iOS, application in Czech, application in Czech and English
Doorbell wireless, connection via radio frequency, mains operated, input voltage: 230 V, signal range of 120m, number of melodies: 36, nametag frame
Buy with code
ALZADAYS10DE
The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart.
Erhalten Sie 10 % Rabatt mit dem Code ALZADAYS10DE. Das Angebot gilt bis zum 15. September 2025 oder solange der Vorrat reicht und ist nur für Endverbraucher bestimmt.
14.31 €
Discounted -5 %
15.90 €
16.90 €
On the way > 5 pcs
Expected 20/04/2026
Order Code:
SD2020_4
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
Door and Window Sensor - wireless, compatible with Tuya, Smartlife and Manufacturer app, central unit required, supported OS: Android and iOS, application in Czech, application in Czech and English
Gas Leak Detector - detects natural gas, mains power supply, acoustic signals, notifications via push notifications, signal volume 70 dB, battery indication, features alarm, cover material plastic, operating temperature from -10 to 55 °C, operating humidity up to 95 %, mounting kit included, compatible with Tuya and MOES, requires a central hub, app language options: Czech and English , compatible with Android and iOS
Siren - closed system, area of use: security, OS supported: Android and iOS, compatible with EZVIZ, power supply: Battery-Powered, in Czech and English
Door and Window Sensor - wireless, compatible with iGet Home, range of 100m, separately functional unit, supported OS: Android and iOS, application in Czech, application in Czech and English
Alarm Clock - Digital, power supply: battery, features: date
Motion Sensor - for alarm, Interior, battery powered, input voltage: 3V, reach of 9m, connection via radio waves, battery indication, independently functional unit
Doorbell , connection via radio frequency, mains operated, input voltage: 230 V, signal range of 200m, number of melodies: 64, nametag frame
Doorbell , connection via WiFi 2,4 GHz, input voltage: 5 V, Smart, compatible with Nedis SmartLife, number of melodies: 4, app for Android and iOS in Czech and English, speaker
Alarm Clock - Digital, power supply: battery
![Ajax WaterStop [3/4] (8EU) black - Remote controlled water shut-off valve (3/4") - Water Leak Detector](https://image.alza.cz/products/AJAX23_027/AJAX23_027.jpg?width=190&height=190)
Water Leak Detector - detects Humidity and water gas, battery-powered, range: 1100 m, reaction time: 5s, compatible with Ajax, connection via radio waves, protection against sabotage, central unit required to function,, app with Czech language support for Android, Windows and iOS
Vibration Detector - detects vibration gas, battery-powered, range: 30 m, compatible with Tuya and Smartlife, connect via WiFi 5 GHz, battery indication and adjustable sensitivity, central unit required to function, app with English language support for Android and iOS
Detector Magnetic sensor designed to detect the opening of iron doors, windows and gates, for iGET SECURITY M5 alarm. Alerts you if you forget to close the window/door/gate when you leave. Protection against sabotage, highest transmission security 256bit, very long battery life of 5 years, the alarm constantly monitors the activity of this sensor, also a signal, battery percentage and more.
Doorbell wireless, connection via radio frequency, input voltage: 3V, signal range of 300m, number of melodies: 36
Vibration Detector - detects vibration gas, battery-powered, range: 80 m, connect via GSM, battery indication, central unit required to function
Vibration Detector - detects vibration gas, battery-powered, range: 70 m, compatible with Manufacturer app, connect via WiFi 2,4 GHz, battery indication, standalone functional unit,, app with Czech language support, app with Czech and English language support for Android and iOS
Video Phone - 4,3" screen size, 110° viewing angle, night vision, colourful display and motion detection
Video Phone - 7" screen size, video resolution: Full HD (1920 × 1080 px) px and 1024 x 600 px px, communication with mobile phones/tablets through WiFi 2,4 GHz, mobile app on Android and iOS
Door and Window Sensor - wireless, compatible with Manufacturer app, connect via WiFi 2,4 GHz, battery indication, separately functional unit, supported OS: Android and iOS, application in Czech, application in Czech and English
Doorbell wireless, connection via radio frequency, mains operated, input voltage: 230 V, signal range of 300m, number of melodies: 36
Home Security Systems
Alza Days
Security Systems
Camera Systems
Locks
Alarms
Detectors
Smart
Doorbells
Home Telephones
Safes
IP Cameras
Accessories
No longer sold
Home Security Systems
If you are thinking of ways to better secure your home and property from theft or damage, CCTV, alarms, safes, and motion or smoke detectors are all good options. We have quality home security equipment from trusted companies such as EVOLVEO, iGet, KGUARD, AeoTec, and others.
Cameras and alarms
Camera systems and GSM alarms are effective security solutions for houses, apartments, offices, and shops. For example, a camera system can include four EVOLVEO CCTV cameras with sufficient wiring for monitoring large objects. Wireless alarms are easy to install, and wireless motion sensors are easily placed inside or outside the house at appropriate distances. If the sensors pick up movement within the space, the system automatically calls or sends an SMS message to multiple numbers.
Digital safes and door peepholes
A digital safe is a smart choice for keeping your valuables safe and secure. For example, G21 vaults are protected by a PIN lock, are very simple to use, and feature a high-quality metal design. Digital safes are suitable for depositing money, jewelry, passports and small electronics. Another security option is a motion detector that senses a person at a distance of up to several metres. It automatically records images on a memory card, as well as the date and time of the recording, so you'll know exactly who visited and at what time.
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