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Smart Home Security reviews and tests

Alza Test Ranks Smart Home Security Based on User Reviews and Other Data

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Smart Home Security – Test Results

The result for smart home security at several price levels is:

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Hundreds of categories, thousands of products, millions of details and user reviews for smart home security. How can you make sense of all of this? Try our Alza Test, which guarantees an objective selection based on customers' experiences. How the products from smart home security rank are based solely on various data and feedback from actual people who have purchased the products.

Jak zabezpečit chytrou domácnost? All smart Home Security
All from 622
Honeywell Home R200S-2 Fire detector alarm - smoke sensor (optical principle), battery operated - Smoke Detector
Honeywell Home R200S-2 Fire detector alarm - smoke sensor (optical principle), battery operated
28.90 €
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Smoke Detector - temperature measurement to 70 °C, battery-powered , acoustic signals, signal volume 85 dB, features: test button and alarm, cover material plastic, operating...
Added to cart
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SONOFF Zigbee Temperature and Humidity Sensor - Sensor
SONOFF Zigbee Temperature and Humidity Sensor
Great price 13.90 €
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Sensor - senses the temperature and humidity in the room, support for smart scenes, can be fixed to the wall with 3M tape or screw, ZigBee 3.0 protocol, requires a ZigBee Hub,...
Added to cart
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Eufy Entry Sensor - Door and Window Sensor
Eufy Entry Sensor
26.90 €
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
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...
Added to cart
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TESLA Smart Sensor Siren - Siren
TESLA Smart Sensor Siren
37.90 €
Ordered on request
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...
Added to cart
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SONOFF SNZB-04P Zigbee Door/Window Sensor - Door and Window Sensor
SONOFF SNZB-04P Zigbee Door/Window Sensor
Discounted -23 % 12.90 € 16.90 €
On the way > 5 pcs
Expected 30/09/2026
Door and Window Sensor - wireless, compatible with Samsung SmartThings, IFTTT and eWeLink, range of 30m, central unit required, supported OS: Android and iOS, application in Czech,...
Added to cart
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EVOLVEO wireless PIR motion sensor for Alarmex/Sonix with tamper protection - Motion Sesnor
EVOLVEO wireless PIR motion sensor for Alarmex/Sonix with tamper protection
from  19.24 €
Currently Unavailable
Motion Sesnor , closed system with detection motion, range: security, power supply: Battery-Powered,
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Tedee PRO - smart lock, black - Smart Lock
Tedee PRO - smart lock, black
407.90 €
In stock 2 pcs
Smart Lock - controlled via WiFi 2,4 GHz and Bluetooth, compatible with Apple Home, app compatible with Android and iOS in English, Battery included, Monitoring and Offline mode
Added to cart
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EMOS Wireless doorbell P5728 - Doorbell
EMOS Wireless doorbell P5728
15.90 €
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Doorbell wireless, connection via radio frequency, signal range of 180m, number of melodies: 52
Added to cart
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AQARA Cube T1 Pro - Smart Wireless Remote
AQARA Cube T1 Pro
19.90 €
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Smart Wireless Remote Zigbee scene controller
Added to cart
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EVOLVEO Defender D5 - Gas Leak Detector
EVOLVEO Defender D5
Discounted -44 % 20.93 € 37.90 €
Currently Unavailable
Gas Leak Detector - detects CO (carbon monoxide), battery-powered, acoustic, visual signals, signal volume 85 dB, battery indication and display, features test button and...
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Tedee TD-BRIDGE - Bridge
Tedee TD-BRIDGE
78.90 €
In stock 3 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Bridge - for connection to Tedee smart locks via Bluetooth or Wi-Fi, compatible with Siri, Google Assistant and Amazon Alexa voice assistants, notification to mobile phone,...
Added to cart
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TP-Link Tapo D235 - Video Doorbell
TP-Link Tapo D235
122.90 €
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Video Doorbell , connectivity: WiFi 2,4 GHz, microphone, speaker, night vision, sd card slot, camera, camera resolution: 2560 x 1920, compatible with Manufacturer app, mains +...
Added to cart
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EZVIZ Smart Home Intercom HP5 - Video Phone
EZVIZ Smart Home Intercom HP5
162.90 €
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Video Phone - 177,8mm screen size, video resolution: Full HD 1920 × 1080 px, communication with mobile phones/tablets through WiFi 2,4 GHz and WiFi 5 GHz, mobile app on Android...
Added to cart
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Airthings Corentium Home (224 B/m3) - digital radon detector - Air Quality Meter
Airthings Corentium Home (224 B/m3) - digital radon detector
154.90 €
In stock 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Air Quality Meter - detects radon, battery-powered, display, features: memory, cover material plastic, operating temperature from 4 to 40 °C, battery included, standalone unit
Added to cart
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SwitchBot Meter Pro - Sensor
SwitchBot Meter Pro
Amazing Deal 23.90 €
On the way > 5 pcs
Expected 31/07/2026
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...
Added to cart
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EMOS Wireless doorbell P5733G - Doorbell
EMOS Wireless doorbell P5733G
18.34 €
Currently Unavailable
Doorbell wireless, connection via radio frequency, mains operated, input voltage: 230 V, signal range of 150m, number of melodies: 36
View
SONOFF SNZB-03P Zigbee Motion Sensor - Motion Sesnor
SONOFF SNZB-03P Zigbee Motion Sensor
Great price 13.90 €
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Motion Sesnor , open system with detection motion compatible with Samsung SmartThings, IFTTT and eWeLink, range: lighting, application in English and Czech, power supply:...
Added to cart
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Solight wireless doorbell, battery operated, 200m, white, learning code - Doorbell
Solight wireless doorbell, battery operated, 200m, white, learning code
10.90 €
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Doorbell wireless, connection via radio frequency, input voltage: 3V, signal range of 200m, number of melodies: 38, nametag frame
Added to cart
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TESLA Smart Gas Sensor - Gas Leak Detector
TESLA Smart Gas Sensor
Discounted -37 % 24.10 € 38.62 €
In stock
Order by midnight, get it at the AlzaBox in the morning.
Info
Gas Leak Detector - mains power supply, detection reach 50 m, acoustic, visual signals, notifications via push notifications, features reset, cover material plastic, operating...
Added to cart
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Eufy Video Doorbell E340 Dual Lens 2K - Video Doorbell
Eufy Video Doorbell E340 Dual Lens 2K
159.90 €
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Video Doorbell , connectivity: WiFi 2,4 GHz, microphone, speaker, night vision, camera, camera resolution: 2560 x 1920 px, compatible with Manufacturer app, mains powered
Added to cart
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Shelly Gen3 H&T, battery operated temperature and humidity sensor with display, WiFi, white - Detector
Shelly Gen3 H&T, battery operated temperature and humidity sensor with display, WiFi, white
39.90 €
In stock > 5 pcs
3 colors
Order by midnight, get it at the AlzaBox in the morning.
Info
Detector - Battery operated temperature and humidity sensor with display, WiFi, white
Added to cart
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Shelly Gen3 H&T, battery operated temperature and humidity sensor with display, WiFi, black - Detector
Shelly Gen3 H&T, battery operated temperature and humidity sensor with display, WiFi, black
36.90 €
In stock > 5 pcs
3 colors
Order by midnight, get it at the AlzaBox in the morning.
Info
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...
Added to cart
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Shelly Gen3 H&T, battery operated temperature and humidity sensor with display, WiFi, ivory - Detector
Shelly Gen3 H&T, battery operated temperature and humidity sensor with display, WiFi, ivory
41.90 €
Ordered on request
3 colors
Detector - battery operated temperature and humidity sensor with display, WiFi, ivory
Added to cart
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SONOFF IP65 Zigbee LCD Smart Temperature Humidity Sensor SNZB-02WD - Sensor
SONOFF IP65 Zigbee LCD Smart Temperature Humidity Sensor SNZB-02WD
Discounted -20 % 26.20 € 32.90 €
In stock
2 colors
Order by midnight, get it at the AlzaBox in the morning.
Info
Sensor – IP65 waterproof design, temperature and humidity measurements, clear 2.2″ LCD display, high accuracy of ±0.2 °C and ±2 % RH, view history up to 180 days, smart scenes and...
Added to cart
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