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 DS18B20 Temperature Sensor for 3.5mm jack (1m) marked at 4.58 € incl. VAT. Is this what you’re looking for?
552 Results
4.8 4×
Watch Price/Availability
MOES Mini CO Detector, grey
Gas Leak Detector - measurement range from 0 to 1000 ppm, deviation 100 ppm, reaction time 2 s, acoustic signals, battery indication and display, features alarm, cover material plastic, operating temperature from -10 to 50 °C,, input voltage 24 V, power cable included, standalone unit
  41.90 €
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Moes2512
4.8 4×
Watch Price/Availability
MOES Mini CO Detector, orange
Gas Leak Detector - measurement range from 0 to 1000 ppm, reaction time 2 s, acoustic signals, battery indication and display, features alarm, cover material plastic, operating temperature from -10 to 50 °C,, input voltage 24 V, power cable included, standalone unit
  41.90 €
Currently Unavailable
Order Code: Moes2513
4.7 25×
Watch Price/Availability
AQARA Climate Sensor W100 (TH-S04D) - Zigbee and Thread
Sensor - sensor with 3.4-inch LCD display that monitors temperature and humidity
  41.90 €
Buy
On the way > 5 pcs
Expected 20/11/2026
Order Code: Aqara25017
4.7 6×
Watch Price/Availability
Meross Smart Presence Sensor
Sensor - dual detection technology, accurate presence detection even without motion, range up to 12 m, intelligent lighting automation, minimising false alarms, HomeKit compatibility, Alexa, Google Home and Matter, stable and secure connection, continuous cable power supply, adjustable base, protective shield against pet detection, mounting bracket included
  41.90 €
Buy
In stock 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Mer2415
1.0 1×
Watch Price/Availability
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
-20 % off new 41.90 € New 52.90 €
Buy
Unsealed - in stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: EVO22_04
4.9 7×
Watch Price/Availability
Eufy Motion Sensor - White
Motion Sesnor , connect through WiFi 2,4 GHz, closed system with detection motion, range: security, application in English, power supply: Battery-Powered,
  41.90 €
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: AnkEuf21_01
Watch Price/Availability
iGET SECURITY MP19, Wireless Carbon Monoxide (CO) Detector for M6-4G
Gas Leak Detector - detects CO (carbon monoxide), measurement range from 50 to 300 ppm, gas detection sensitivity 100 ppm, battery-powered, detection reach 500 m, acoustic, visual signals, notifications via push notifications, signal volume 85 dB, battery indication, features alarm, cover material plastic, operating temperature from -10 to 50 °C, operating humidity from 30 to 95 %, ingress protection IP20, input voltage 3V, battery and mounting kit included, standalone unit requires a central hub, app language options: Czech and English , compatible with Android and iOS
  41.91 €
Buy
In stock > 5 pcs at the supplier's
Order Code: IGET26010
Watch Price/Availability
Window and door sensor - optical, anthracite - HmIP-SWDO-A
Door and Window Sensor - wireless, compatible with Google Home, Home Connect and Homematic IP, connect via Radio frequency, battery indication, range of 300m, central unit required, supported OS: Android and iOS, application in Czech, application in Czech and English
  43.31 €
Currently Unavailable
Order Code: Home23_37
5.0 1×
Watch Price/Availability
Homematic IP Universal contact sensor - HmIP-SCI
Sensor The wireless Universal Contact Sensor (HmIP-SCI), designed for indoor use, is part of the Homematic IP smart home system. Allows the integration of third-party wired devices into the Homematic IP wireless smart home system.
  43.31 €
Currently Unavailable
Order Code: Home23_09
5.0 1×
Watch Price/Availability
Homematic IP Remote control (key fob) - programmable - HmIP-KRC4
Remote Control - The elegant wireless key fob (HmIP-KRC4) with 4 configurable buttons is part of the Homematic IP smart home system. This compact remote control allows easy control of pre-programmed operations and is an alternative to the Homematic IP application.
  43.31 €
Currently Unavailable
Order Code: Home22_40
1.0 1×
Watch Price/Availability
IMMAX NEO Smart Ultrasonic Liquid Level Sensor , 5 m, WiFi
Sensor - precise measurement using ultrasonic technology, suitable for any type of liquid, IP65 resistance, possibility of connection to a smart water valve, Immax NEO PRO app in Czech and 60 other languages compatible with iOS, Android, with voice assistants - Apple Siri shortcuts and TUYA systems, LIDL.
BLACK FRIDAY -30 % 43.90 € 63.04 €
Buy
In stock
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: IMMX25092
4.0 7×
Watch Price/Availability
Philips Hue Contact sensor White + zľava 15 % s bridgom 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, White colour
  43.90 €
Buy
Ordered on request
Order Code: PHLS23015
4.8 10×
Watch Price/Availability
Philips Hue Contact sensor Black + zľava 15 % s bridgom 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, black
  43.90 €
Buy
In stock 2 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: PHLS23014
4.4 5×
Watch Price/Availability
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
  43.90 €
Buy
In stock > 5 pcs at the supplier's
Order Code: HNW22_05
4.4 9×
Watch Price/Availability
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
BLACK FRIDAY -10 % 44 € 48.90 €
Buy
In stock
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: HNW22_06
Watch Price/Availability
BOT Smart Smoke Detector WiFi Tuya SS1 built-in battery
Smoke Detector - battery-powered , detection reach 20 m, acoustic signals, notifications via push notifications, signal volume 85 dB, battery indication, cover material plastic, compatible with Tuya and Smartlife, standalone unit, app language options: Czech and English , compatible with Android and iOS
BLACK FRIDAY -11 % 44.29 € 49.82 €
Buy
In stock at the supplier's
Order Code: BOTdet004
Watch Price/Availability
Hütermann Tuya WiFi carbon monoxide detector
Gas Leak Detector - detects CO (carbon monoxide), smoke, battery-powered, acoustic, visual signals, signal volume 85 dB, features automatic scenarios and alarm, operating temperature to 40 °C, operating humidity up to 95 %, battery and mounting kit included, compatible with Tuya and Smartlife, standalone unit, compatible with Android and iOS
  45.32 €
Buy
In stock 4 pcs at the supplier's
Order Code: EMPlist0137
3.8 10×
Watch Price/Availability
AQARA Presence Sensor FP1E (PS-S03D), Zigbee
Motion Sesnor , connect through Radio frequency, open system with detection motion compatible with Aqara Home and Manufacturer app, range: lighting and security, application in English, Czech and Slovak, power supply: Power plug and USB,
BLACK FRIDAY -10 % 45.80 € 50.90 €
Buy
In stock
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Aqara24009
Watch Price/Availability
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
-8 % off new 45.90 € New 49.90 €
Buy
Unsealed - in stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: SAFEH26008
Watch Price/Availability
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
BLACK FRIDAY -10 % 46.70 € 51.90 €
Buy
In stock
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: SAFEH26007
Watch Price/Availability
GARNI 080Q Wireless outdoor air quality sensor
Sensor Wireless outdoor air quality sensor for the GARNI 3055 Arcus Wi-Fi weather station.
-46 % off new 46.90 € New 88.46 €
Buy
Unsealed - in stock 1 pcs
Order Code: Garni22_03
Watch Price/Availability
Philips Smart LED Door opens, light on, 2-pack
Door and Window Sensor - wireless, compatible with WiZ Connected, connect via WiFi 2,4 GHz, separately functional unit, supported OS: Android and iOS, application in Czech
  47.90 €
Currently Unavailable
Order Code: PHLS26143
4.8 183×
Watch Price/Availability
Philips Hue Motion Sensor + zľava 15 % s bridgom Philips Hue
Motion Sesnor , connect through Bluetooth, open system with detection motion compatible with Apple Home, range: lighting, application in English, Czech, German, Slovak and Hungarian, power supply: Battery-Powered,
  48.90 €
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: ESO521g15
Watch Price/Availability
frient Water Leak Detector
Water Leak Detector - detects Water gas, battery-powered, range: 100 m, reaction time: 1s, sound level: 85dB, compatible with Samsung SmartThings, Home Assistant and Homey, battery indication, central unit required to function,, app with Czech language support, app with Czech and English language support for Android, Windows and iOS
  49.40 €
Buy
In stock 5 pcs at the supplier's
Order Code: SMARaaa0064
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