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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.

1,194 Results
5.0 3×
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SONOFF WLDC200 Water Leak Detection Cable
Extension Cable
BLACK FRIDAY -33 % 179,- 269,-
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In stock
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Order Code: SNFa109
5.0 3×
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Honeywell DC515N Wireless Doorbell Series 5, 150 m, 6 melodies, portable base white
Doorbell wireless, connection via radio frequency, signal range of 150m, number of melodies: 6
BLACK FRIDAY -12 % 866,- 990,-
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In stock
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Order Code: HN21Well06
5.0 3×
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Honeywell DC515SG Wireless Doorbell Series 5, 150 m, 6 melodies, portable base grey
Doorbell wireless, connection via radio frequency, signal range of 150m, number of melodies: 6
Great price 1,079,-
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In stock > 5 pcs
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Order Code: HN21Well08
5.0 3×
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BOT Smart gas detector WiFi GS4
Gas Leak Detector - mains power supply, detection reach 20 m, acoustic signals, notifications via push notifications, signal volume 90 dB, display, features alarm, cover material plastic, operating temperature to 55 °C, input voltage 230 V, compatible with Tuya and Smartlife, requires a central hub, app language options: Czech and English , compatible with Android and iOS
BLACK FRIDAY -10 % 655,- 729,-
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In stock at the supplier's
Order Code: BOTdet006
5.0 3×
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Imou Doorbell 2S Kit
Video Doorbell , connectivity: WiFi 2,4 GHz, microphone, speaker, sd card slot, camera, camera resolution: 2048 × 1536, compatible with Manufacturer app, mains + battery powered
  1,999,-
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In stock > 5 pcs
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Order Code: Imou25002
5.0 3×
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XtendLan PS-IR02
TV Remote Control -, range 0.03 m, infra-red transmission technology
  369,-
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In stock > 10 pcs
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Order Code: Xten_22_24
5.0 3×
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CACAZI Additional receiver for wireless doorbell FA28 - white
Bell Accessory - separate receiver for the Cacazi FA28 wireless battery-free doorbell set, signal range up to 200 metres, 60 tunes, up to 100 dB, 5 volume settings, it is only an additional receiver for the set, White colour
  360,-
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In stock > 10 pcs at the supplier's
Order Code: CCZfa2804
5.0 3×
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EMOS Replacement button for wireless doorbell P5732
Doorbell wireless, signal range of 100m
  229,-
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In stock > 10 pcs at the supplier's
Order Code: EMS20078
5.0 3×
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Elektrobock CN16F
Motion Sesnor with detection motion, range: lighting, power supply: Power plug,
  279,-
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In stock > 10 pcs
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Order Code: ELBOCK144
5.0 3×
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CACAZI Additional receiver for wireless doorbell FA28 - black
Bell Accessory - separate receiver for the Cacazi FA28 wireless battery-free doorbell set, signal range up to 200 metres, 60 tunes, up to 100 dB, 5 volume settings, it is only an additional receiver for the set, black, receiver dimensions 89 × 58 × 22 mm
  360,-
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In stock > 10 pcs at the supplier's
Order Code: CCZfa2803
5.0 3×
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Arenti Outdoor Battery-Powered 3MP&2MP WiFi Doorbell
Video Doorbell , connectivity: WiFi 2,4 GHz, microphone, motion sensor, speaker, night vision, sd card slot, camera, camera resolution: 2560 × 1080 px, compatible with Manufacturer app, battery powered
BLACK FRIDAY -30 % 1,679,- 2,399,-
Currently Unavailable
Order Code: Arenti2415
4.3 8×
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Philips Hue Contact sensor White 2pcs + sleva 15 % s bridgem Philips Hue
Sensor - security sensor on the windows, door or safe, sends an alert or triggers a preset light alarm, includes a magnetic counterpart, IP20, can be glued or screwed (material not included), bridge required for full functionality, colour white, 2 pcs
  1,799,-
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On the way 3 pcs
Expected 19/11/2026
Order Code: PHLS23017
4.2 9×
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EVOLVEO wireless vibration detector for Alarmex/Sonix
Vibration Detector - detects Opening windows and doors and vibration gas,, range: 40 m, standalone functional unit
  369,-
Currently Unavailable
Order Code: RY202f3
3.9 45×
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iGET SECURITY M3B wireless GSM alarm
Alarm - home, connected via GSM and Radio frequency, Opening windows and doors and motion detection, signal volume 110dB(A), app in Czech and English for Android and iOS
  1,999,-
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In stock > 5 pcs
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Order Code: iGt21009
4.3 7×
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Airthings View Radon - Air Quality Monitor
Air Quality Meter is designed for indoor environments where it monitors humidity, temperature and the amount of radon in the air. You use batteries or a USB cable to power it. Easily connect the air detector to the app via Wi-Fi or HUB using Airthings Smartlink. The app is compatible with both Android and iOS operating systems. Airthings View Radon also communicates with IFTTT, Google Assistant and Amazon Alexa voice assistants.
  4,899,-
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In stock 5 pcs
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Order Code: Air22TNG3
4.3 7×
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Shelly Blu window and door sensor, Bluetooth, black
Door and Window Sensor -, compatible with Samsung SmartThings, connect via Bluetooth, battery indication and deviation angle adjustment, separately functional unit, supported OS: Android, Windows and iOS, application in Czech, application in Czech and English
  460,-
Currently Unavailable
Order Code: Shell23_024
4.1 17×
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AQARA Motion and Light Sensor P2
Motion Sesnor , connect through Bluetooth, open system with detection motion and Lights compatible with Apple Home and Aqara Home, range: lighting and security, application in English, Czech, German, Slovak and In Polish, power supply: Battery-Powered,
BLACK FRIDAY -25 % 667,- 889,-
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In stock
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Order Code: Aqara24002
4.1 11×
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IMMAX NEO Smart water leak sensor, Zigbee 3.0 + prodloužená záruka o 1 rok ZDARMA
Water Leak Detector - detects Water gas, battery-powered, range: 30 m, sound level: 120dB, compatible with Google Home, Tuya, Lidl Home and Immax NEO PRO, connect via WiFi 2,4 GHz and WiFi 5 GHz, battery indication, central unit required to function,, app with Czech language support, app with Czech and English language support for Android and iOS
BLACK FRIDAY -40 % 299,- 499,-
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In stock
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Order Code: IMXX2314
4.1 12×
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SwitchBot Meter Pro (CO2)
Sensor - Bluetooth wireless connectivity, real-time data in the SwitchBot app, Android and iOS support, Google Assistant and Amazon Alexa - Matter standard only works with the hub
BLACK FRIDAY -21 % 1,499,- 1,899,-
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In stock
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Order Code: SwBot2411
4.0 17×
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IMMAX NEO Smart PIR sensor 2in1 Zigbee 3.0 + prodloužená záruka o 1 rok ZDARMA
Motion Sesnor , open system with detection motion and Lights compatible with Apple Siri shortcuts, Tuya, Lidl Home, Smartlife, Nedis SmartLife, ETA SMART, Tesla Smart and Immax NEO PRO, range: lighting, security and home control, application in English, Czech, German, Slovak, Hungarian and In Polish, power supply: USB,
BLACK FRIDAY -40 % 269,- 449,-
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In stock
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Order Code: IMMX24071
4.1 11×
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SwitchBot Contact Sensor
Door and Window Sensor - wireless, compatible with Apple Siri shortcuts and Samsung SmartThings, connect via Bluetooth, battery indication, range of 5m, separately functional unit, supported OS: Android and iOS
  399,-
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In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
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Order Code: SwBot21_13
4.2 10×
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Nedis wireless doorbell set DOORB223CBK
Doorbell wireless, connection via radio frequency, mains operated, input voltage: 230 V, signal range of 300m, number of melodies: 36
  499,-
Currently Unavailable
Order Code: NEDIS2162
4.4 5×
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Honeywell Home R200S-N2 Interconnected fire detector alarm - smoke (optical) principle, battery oper
Smoke Detector - temperature measurement from 0 to 70 °C, battery-powered , acoustic signals, signal volume 85 dB, features: test button, cover material plastic, operating temperature to 40 °C, operating humidity up to 93 %, input voltage 3V, battery included, standalone unit
BLACK FRIDAY -10 % 943,- 1,048,-
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In stock
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Order Code: HNW22_05
4.4 5×
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Solight wireless doorbell, battery-free, for socket, 150m, white, learning code
Doorbell wireless, connection via radio frequency, mains operated, input voltage: 230 V, signal range of 150m, number of melodies: 58, nametag frame
  629,-
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In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
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Order Code: SD2020_123
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