Try our cookies Alza.cz a. s., Company identification number 27082440, use cookies and other data to ensure the proper functioning of the website and, with your consent, also, among other things, to personalize advertising and the content of our websites. 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
Order status
Brands
(1)
(1)
(3)
(6)
(3)
Product type
(3)
(6)
(3)
(1)
(7)
Detection Type
(16)
(15)
(14)
(9)
(5)
Detection element
(4)
(3)
(3)
(3)
(3)
Range
8 m
1,000 m
-
Colour
(46)
(2)
(1)
(4)
Protocol
(10)
(6)
(2)
(2)
(1)

Smart Home Sensors & Detectors bazaar

Are you looking for affordable, yet fully functional goods? You've come to the right place. Save money and explore the world of unsealed, like new, or used items. Everything goes through the hands of our specialists, so you don't have to worry about receiving a non-functional, unreliable, damaged, or dirty product.

Unsealed - brand new and in perfect condition with full warranty. The original packaging has been opened by someone else, perhaps because it was an unsuitable gift. We have carefully resealed the item in its original packaging, and now it may be waiting just for you. It's in great shape and comes with a significantly lower price tag.

Reliability at a great price - there are no hidden tricks. We have thoroughly inspected everything and confidently offer you a full warranty, 24 months in total.

Like New - fully functional items that may have minor scratches from regular use. In most cases, you will receive them with all the accessories. These are reliable products that haven't been significantly affected by their previous adventures and are now waiting for a new owner. These items come with an almost full warranty of 21 months.

We do our best to preserve the original packaging whenever possible, but sometimes, for the sake of protection, we may have to use alternative boxes for this type of items.

Used - completely functional items ready for immediate use, guaranteed with a 12-month warranty. It's possible that you will receive the product with only the essential accessories. However, the packaging always contains everything necessary for the full use of the item. These are functional or serviced products that, despite visible wear, are far from being considered scrap.

This option may come with a replacement box - protection is a top priority. However, the product does its job just like a brand new one. For more information about used items, click here

54 Results
4.0
Homematic IP Valve Adapter Herz, Comap
Module - Adapter for Herz, Comap, MMA and SAM valves for connection of Thermostatic Heads (HmIP-eTRV-x) and Valve Drive (HmIP-VDMOT) Homematic IP with standard M30 x 1.5 mm fitting.
-15 % off new 6.59 € New 7.79 €
Buy
Unsealed - in stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Home22_11
3.6
Meross Smart Water Leak Sensor
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 dB alarm, Meross Hub central unit is required for sensor functionality
Buy with code ALZADNI25 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. 10.43 €
-17 % off new 13.90 € New 16.76 €
Buy
Unsealed - in stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Mer24_14
SONOFF AirGuard PM2.5/PM10 Matter Over Wi-Fi Air Quality Monitor SAWF-07P
Air Quality Meter - detects temperature, humidity, dust particles, measurement range from 400 to 5000 ppm, gas detection sensitivity 50 ppm, temperature measurement from 0 to 50 °C with accuracy 0.5 °C, humidity measurement from 5 to 99 % with accuracy 3 %, acoustic, visual signals, notifications via push notifications, display, features: alarm, cover material plastic, operating temperature from -10 to 50 °C,, input voltage 5 V, power cable included, compatible with Apple Home, Google Home, Samsung SmartThings, eWeLink and Home Assistant, standalone unit, app language options: Czech and English, compatible with Android and iOS
Buy with code ALZADNI20 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. 44.72 €
-5 % off new 55.90 € New 58.90 €
Buy
Unsealed - in stock 4 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: SNF2612
1.0
EVOLVEO Alarmex Pro ( ACSALMOUS) wireless outdoor light and sound siren
Siren - closed system, area of use: security, OS supported: Android and iOS, compatible with Manufacturer app, power supply: Power plug, in Czech and English
-30 % off new 37.90 € New 54.90 €
Buy
Unsealed - in stock 2 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: EVO22_04
Solight wireless motion detector 1D23
Door and Window Sensor - with mains + battery power, connect via Radio frequency, range of 200m, separately functional unit
-11 % off new 14.90 € New 16.90 €
Buy
Unsealed - in stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Solight26016
Homematic IP Window and door sensor - optical plus, concealed mounting - HmIP-SWDO-I
Door and Window Sensor - wireless, compatible with Home Connect and Homematic IP, connect via WiFi 2,4 GHz, range of 230m, central unit required, supported OS: Android and iOS, application in Czech
Buy with code ALZADNI5 The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získajte zľavu 5 % s kódom ALZADNI5. Kliknite a kód sa uplatní automaticky. 55.01 €
-11 % off new 57.90 € New 65.49 €
Buy
Unsealed - in stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Home22_22
EVOLVEO Alarmex Pro (ACSALMMSTS) wireless door/gate/gate detector
Door and Window Sensor - wireless, compatible with Manufacturer app, connect via WiFi 2,4 GHz, GSM and Radio Frequency, range of 80m, separately functional unit, supported OS: Android and iOS, application in Czech, application in Czech and English
-29 % off new 21.90 € New 30.99 €
Buy
Unsealed - in stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: EVO22_10
Homematic IP Window and door sensor - optical plus - HmIP-SWDO-PL
Door and Window Sensor - wireless, compatible with Google Home, Home Connect and Homematic IP, connect via Radio frequency, range of 220m, central unit required, supported OS: Android and iOS, application in Czech
-18 % off new 44.90 € New 55.10 €
Buy
Unsealed - in stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Home22_21
Xtend Home EZS-DWD01
Door and Window Sensor - wireless, compatible with Tuya, connect via Radio frequency, battery indication and adjustable sensitivity, range of 200m, central unit required, supported OS: Android and iOS, application in Czech, application in Czech and English
-33 % off new 9.29 € New 13.90 €
Buy
Unsealed - in stock 2 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Xtend25012
Ajax FireProtect 2 RB (Heat/Smoke/CO) (8EU) black (43379)
Smoke Detector - detects CO (carbon monoxide), temperature, battery-powered , acoustic, visual signals, notifications via push notifications, signal volume 85 dB, battery indication and protection against sabotage, features: reset and alarm, cover material plastic, operating temperature from 0 to 50 °C, operating humidity up to 80 %, ingress protection IP20, input voltage 6 V, battery and mounting kit included, standalone unit requires a central hub, app language options: Czech and English , compatible with Android and iOS
-14 % off new 139.90 € New 164.32 €
Buy
Unsealed - in stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: AJAX25014
4.6 40×
Airthings View Plus - complete air quality monitor
Air Quality Meter - detects temperature, humidity, air pressure, TVOC (volatile organic compounds), radon, CO₂ (carbon dioxide), dust particles, mains + battery-powered, visual signals, notifications via push notifications, battery indication and display, features: memory, power cable and battery included, standalone unit requires a central hub, app language: English, compatible with Android and iOS
-1 % off new 300.90 € New 306.90 €
Buy
Unsealed - in stock 2 pcs
Order Code: Air22TNG1
4.4 46×
Netatmo Smart Smoke Alarm
Smoke Detector - acoustic signals, notifications via push notifications, signal volume 85 dB, battery indication, features: alarm, cover material plastic, holder and mounting kit included, standalone unit, app language options: Czech and English , compatible with Android and iOS
-14 % off new 90.90 € New 105.90 €
Buy
Unsealed - in stock 1 pcs
Order Code: NET007f
5.0
Airthings Wave Radon – air quality, radon, humidity, and temperature sensor
Air Quality Meter - detects temperature, humidity, radon, temperature measurement with accuracy 0.1 °C, humidity measurement with accuracy 1 %, battery-powered, visual signals, notifications via push notifications, cover material plastic, operating temperature from 4 to 40 °C, battery and mounting kit included, standalone unit requires a central hub, app language: English, compatible with Android and iOS
-1 % off new 181.90 € New 183.90 €
Buy
Unsealed - in stock 2 pcs
Order Code: Air21TNG3
4.9 12×
Airthings Corentium Home (224 B/m3) - digital radon detector
Air Quality Meter - detects radon, battery-powered, display, features: memory, cover material plastic, operating temperature from 4 to 40 °C, battery included, standalone unit
-12 % off new 151.90 € New 173.07 €
Buy
Unsealed - in stock 1 pcs
Order Code: Air21TNG4
4.0
Airthings Wave Enhance
Air Quality Meter - detects temperature, humidity, air pressure, TVOC (volatile organic compounds), CO₂ (carbon dioxide), noise, battery-powered, visual signals, notifications via push notifications, features: memory, operating temperature from 0 to 45 °C, operating humidity from 5 to 95 %, battery included, standalone unit requires a central hub, compatible with Android and iOS
-12 % off new 135.90 € New 155.90 €
Buy
As good as new - in stock 1 pcs
Order Code: Air24001
4.2 20×
Netatmo Smart Carbon Monoxide Alarm
Gas Leak Detector - battery-powered, notifications via push notifications, signal volume 85 dB, battery indication, cover material plastic, compatible with Apple Home, standalone unit, app language options: Czech and English , compatible with Android, Windows and iOS
-14 % off new 90.90 € New 105.90 €
Buy
Unsealed - in stock 1 pcs
Order Code: NetA_21_01
5.0 12×
Ajax MotionProtect White
Motion Sesnor , connect through Radio frequency with detection motion compatible with Ajax, range: security, application in English and Czech, power supply: Battery-Powered,
-6 % off new 82.90 € New 88.86 €
Buy
Unsealed - in stock 1 pcs
Order Code: AJAX5328
4.2 12×
Airthings Wave mini - air quality, humidity, temperature and air chemicals sensor
Air Quality Meter - detects temperature, humidity, TVOC (volatile organic compounds), temperature measurement with accuracy 1 °C, humidity measurement with accuracy 3 %, battery-powered, visual signals, notifications via push notifications, battery indication, operating temperature from 4 to 40 °C, holder and battery included, standalone unit requires a central hub, app language: English, compatible with Android and iOS
-18 % off new 65.90 € New 80.90 €
Buy
As good as new - in stock 1 pcs
Order Code: Air21TNG1
4.9 10×
Eve Motion (Matter - compatible with Apple, Google, SmartThings & Amazon Alexa)
Motion Sesnor , connect through Bluetooth, closed system with detection motion and Light compatible with Apple Home, Google Home and Samsung SmartThings, range: lighting, security and home control, application in English and German, power supply: Battery-Powered,
Buy with code ALZADNI20 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. 43.92 €
-5 % off new 54.90 € New 57.90 €
Buy
Unsealed - in stock 1 pcs
Order Code: Eve23_03
5.0
Ajax DoorProtect Plus White
Door and Window Sensor - wireless, compatible with Ajax, connect via Radio frequency, deviation angle adjustment and protection against sabotage, range of 1000m, central unit required, supported OS: Android, Windows and iOS, application in English
-7 % off new 73.90 € New 79.69 €
Buy
Unsealed - in stock 1 pcs
Order Code: AJAX9999
4.1
FIBARO Flood Sensor
Water Leak Detector - detects temperature and water gas, battery-powered, connect via Bluetooth, standalone functional unit,, app with Czech language support, app with Czech and English language support for Android and iOS
-13 % off new 74.90 € New 86.90 €
Buy
Unsealed - in stock 1 pcs
Order Code: FIBR01c
4.2
Eve Door & Window (Matter - compatible with Apple, Google, SmartThings & Amazon Alexa)
Door and Window Sensor - wireless, compatible with Apple Home, Google Home and Samsung SmartThings, connect via Bluetooth, central unit required, supported OS: Android and iOS, application in English
Buy with code ALZADNI25 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. 35.18 €
-18 % off new 46.90 € New 57.90 €
Buy
As good as new - in stock 1 pcs
Order Code: Eve23_02
3.9 10×
Tado Wireless temperature sensor X
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: Wireless temperature sensor X, 3x AAA batteries, mounting kit (2x wall mounting screw, 2x wall plug, 3x adhesive pad). Compatible with tado° X series only.
Buy with code ALZADNI15 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. 84.07 €
-8 % off new 98.90 € New 107.90 €
Buy
Unsealed - in stock 1 pcs
Order Code: Tado24007
4.8
Netatmo Smart Door and Window Sensors
Door and Window Sensor - wireless, compatible with Apple Home and Manufacturer app, connect via Radio Frequency, central unit required, supported OS: Android and iOS, application in Czech, application in Czech and English
-45 % off new 57.90 € New 105.90 €
Buy
Unsealed - in stock 2 pcs
Order Code: NET050b
P-DC1-WEB24