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
Product type
(24)
(67)
(18)
(12)
(51)
Detection Type
(91)
(68)
(65)
(54)
(40)
Detection element
(46)
(24)
(23)
(16)
(13)
Range
1 m
1,100 m
-
Colour
(4)
(269)
(39)
(3)
(3)
Protocol
(96)
(14)
(6)
(26)
(10)

Cheap smart Home Sensors & Detectors

On this page you will find smart Home Sensors & Detectors at the lowest prices, more so all smart Home Sensors & Detectors ranked from the lowest to the highest price. It will be easier to see products that are now marked at their lowest price. The item with the lowest price in this category is Shelly-BYPASS marked at 4.89 € incl. VAT. Is this what you’re looking for?
327 Results
SAFE Water Guard, white
Sensor - wireless water leak detector, the detector is powered by a replaceable battery that allows continuous operation for up to 3 years, colour white
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. 36.81 €
New arrival 40.90 €
Buy
In stock 1 pcs
Order Code: SAFEH26005
SAFE Fire Guard, white
Sensor - wireless fire detector with groundbreaking dual-spectrum detection and SIC technology, It can operate in a SAFE system or completely autonomously. Battery powered for up to 36 months, The detector has high sensitivity, stable performance and maximum resistance to false alarms, colour white
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. 36.81 €
New arrival 40.90 €
Buy
In stock 1 pcs
Order Code: SAFEH26004
5.0
QINGPING Temperature & RH Monitor Pro S Wi-Fi
Sensor - professional temperature and humidity monitoring for greenhouses, factories, warehouses, business centers, supermarkets and hospitals, temperature range -20 to 50 °C, humidity range 0-99.9%, support extreme indoor conditions, connectivity option - LoRa (gateway required), NB-IoT (50 MB of free data per year) or Wi-Fi, regular reporting of traffic and over-limits, wireless remote monitoring, instant alerts when the set values are exceeded, 2600 mAh rechargeable battery with USB power supply, multi-stage alert settings
40.90 €
Buy
In stock > 5 pcs
Order Code: QGP006a
WiZ Contact sensor 2pack
Door and Window Sensor - wireless, compatible with Google Home and Manufacturer app, connect via WiFi 2,4 GHz, battery indication, night orientation light and adjustable sensitivity, range of 20m, separately functional unit, supported OS: Android and iOS, application in Czech, application in Czech and English - 20.45 €/pcs
40.90 €
Buy
In stock 2 pcs
Order Code: WiZ25002
3.0
QINGPING Temperature & RH monitor, T version (Apple Homekit)
Sensor - for measuring temperature and humidity in the room, clear E-ink display, placement on the wall (sticker) and on the table (hinged stand), high-precision sensor from Sensirion, on a CR2430 battery with a lifetime of 8-12 months, Apple Home or Qingping+ mobile apps, Need HomePod or Apple TV as a hub
40.90 €
Currently Unavailable
Order Code: QGP002a
4.6 20×
Shelly Gen3 H&T, battery operated temperature and humidity sensor with display, WiFi, white
Detector - Battery operated temperature and humidity sensor with display, WiFi, white
40.90 €
Buy
On the way > 5 pcs
Expected 23/04/2026
Order Code: Shell24_010
iQtech Smartlife GW001, Zigbee 3.0 gateway, WiFi
Detector Zigbee 3.0 gateway, WiFi
40.90 €
Currently Unavailable
Order Code: iQ21TECH137
Eufy Security Siren
Siren - closed system, area of use: security, OS supported: Android and iOS, compatible with Manufacturer app, power supply: Battery-Powered, in English
Buy with code ALZADAYS25DE The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Erhalten Sie 25 % Rabatt mit dem Code ALZADAYS25DE. Das Angebot gilt bis zum 15. September 2025 oder solange der Vorrat reicht und ist nur für Endverbraucher bestimmt. 31.43 €
41.90 €
Buy
On the way 1 pcs
Expected 20/04/2026
Order Code: Anker24015
3.8 18×
Meross Smart Temperature and Humidity Sensor Kit MS100F+ MSH300
Sensor - temperature measurement in °C or °F, measurement of humidity in %, functionality only with Meross Hub (included), mobile apps, notifications, battery operation (CR2477), integrated solar panel for self-powering
41.90 €
Buy
In stock > 5 pcs
Order Code: Mer24_09
3.0
Imou gas sensor/detector ZGA1
Gas Leak Detector - mains power supply, detection reach 200 m, acoustic, visual signals, notifications via push notifications, signal volume 85 dB, features self-diagnostics, automatic scenarios and alarm, cover material plastic, power adapter and mounting kit included, requires a central hub, app language: English , compatible with Android and iOS
42.90 €
Buy
Ordered on request
Order Code: Imou23_40
4.4
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
42.90 €
Buy
In stock > 5 pcs
Order Code: HNW22_05
5.0
GARNI 092H wireless sensor
Sensor Eight-channel wireless sensor for measuring temperature and relative humidity, designed for the GARNI 3055 Arcus Wi-Fi weather station.
42.90 €
Buy
In stock 1 pcs
Order Code: Garni22_04
4.4 10×
Shelly Smoke Plus, smoke detector, WiFi, BT (without battery - CR123A)
Smoke Detector - battery-powered , acoustic, visual signals, notifications via push notifications, signal volume 85 dB, battery indication, features: automatic scenarios and alarm, cover material plastic, operating temperature from 0 to 55 °C, operating humidity from 30 to 95 %, battery and mounting kit included, standalone unit requires a central hub, app language options: Czech and English , compatible with Android, Windows and iOS
44.90 €
Buy
In stock > 5 pcs
Order Code: Shell23_002
4.8 19×
AQARA Presence Multi-Sensor FP300 (PS-S04D), Zigbee, Thread
Motion Sesnor , connect through Bluetooth, open system with detection Human presence compatible with Aqara Home and Manufacturer app, range: lighting, heating and cooling and security, application in English, Czech and Slovak, power supply: Battery-Powered,
Amazing Deal 44.99 €
Buy
In stock > 5 pcs
Order Code: Aqara25036
4.2 24×
AQARA Smoke Detector (SD-S01D) - Zigbee 3.0
Smoke Detector - battery-powered , reaction time 0,1 s, notifications via push notifications, battery indication, cover material plastic, operating temperature from 0 to 40 °C, operating humidity from 0 to 95 %, ingress protection IP20, requires a central hub, app language options: Czech and English , compatible with Android and iOS
44.99 €
Buy
In stock > 5 pcs
Order Code: Aqara24011
EVOLVEO SecuPro, wireless siren with solar power
Siren - closed system, area of use: security, power supply: Battery-Powered, Solar and USB
45.90 €
Currently Unavailable
Order Code: EVO24013
4.4 14×
FIBARO Window and door sensor 2 white
Door and Window Sensor - wireless, compatible with Manufacturer app, connect via WiFi 2,4 GHz and Bluetooth, range of 50m, central unit required, supported OS: Android and iOS, application in Czech, application in Czech and English
45.90 €
Buy
In stock 2 pcs
Order Code: FIBR02hg1
SAFE Door Guard Plus, white
Sensor - wireless magnetic open, shock and tilt detector for window and door security Powered by a replaceable battery that allows continuous operation for up to 4 years, white colour
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. 42.21 €
New arrival 46.90 €
Buy
In stock 1 pcs
Order Code: SAFEH26008
5.0
EVOLVEO Alarmex Pro (ACSALMSMK) wireless smoke detector
Smoke Detector - mains power supply, detection reach 80 m, acoustic signals, signal volume 90 dB, features: test button, cover material plastic, operating temperature from 0 to 55 °C, input voltage 9 V, standalone unit requires a central hub
46.90 €
Buy
Ordered on request
Order Code: EVO22_08
4.4
Honeywell Home R200ST-N2 Interconnected fire alarm detector - smoke (optical) and temperature princi
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
46.90 €
Buy
In stock 3 pcs
Order Code: HNW22_06
4.3
iGET SECURITY EP24 - indoor siren, battery or microUSB power supply for iGET M5-4G alarm
Siren - closed system, area of use: security, OS supported: Android and iOS, power supply: Power plug and Battery-Powered, in Czech and English
46.90 €
Buy
In stock 5 pcs
Order Code: iGt21026
3.5
iGET SECURITY P11v2 - wireless outdoor siren (battery/adapter)
Siren - closed system, area of use: security, OS supported: Android and iOS, power supply: Power plug and Battery-Powered, in Czech and English
47.90 €
Buy
In stock 1 pcs
Order Code: iGt21012
SAFE Glass Guard, white
Sensor - wireless glass breakage detector for security of glazed surfaces equipped with two NC inputs, Multi-factor glass breakage detection with the possibility of remote sensitivity configuration significantly eliminates the occurrence of false alarms, The detector is powered by a replaceable battery that allows continuous operation for up to 3 years, colour white
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. 44.01 €
New arrival 48.90 €
Buy
In stock 1 pcs
Order Code: SAFEH26007
SAFE Indoor Siren, white
Siren - closed system, area of use: security, OS supported: Android and iOS, compatible with Manufacturer app, power supply: Battery-Powered, in Czech and English
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. 44.01 €
New arrival 48.90 €
Buy
In stock 1 pcs
Order Code: SAFEH26006
 

Cheap smart Home Sensors & Detectors

Check out products sorted by price starting with the lowest price in the category cheap smart Home Sensors & Detectors Find products sorted from the most expensive to the cheapest in the category most expensive smart Home Sensors & Detectors Check out products sorted by price starting with the highest price in the category best sellers, best smart Home Sensors & Detectors You’ll find products sorted by reviews starting from the highest ranked in smart Home Sensors & Detectors reviews
P-DC1-WEB15

Sicheres Einkaufen Wir bieten einen zusätzlichen 60-tägigen Rückgabeservice auf die meisten Produkte an More info »