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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 5.39 € incl. VAT. Is this what you’re looking for?
537 Results
5.0
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.
43.80 €
Currently Unavailable
Order Code: Home23_09
5.0
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.
43.80 €
Currently Unavailable
Order Code: Home22_40
43.80 €
Currently Unavailable
Order Code: Home22_19
Homematic IP Remote control (key fob) - security - HmIP-KRCA
Keychain The elegant wireless (HmIP-KRCA), which allows easy control of the security part of the system at the touch of a button, is part of the Homematic IP smart home system and an alternative to the Homematic IP app. The handy little remote control (HmIP-KRCA) from the Homematic IP series fits in every pocket and can provide a range of useful functions despite its compact size.
43.80 €
Currently Unavailable
Order Code: Home22_17
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
43.90 €
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In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: HNW22_05
4.8 104×
Honeywell R200C-2, Carbon monoxide detector and detector, CO Alarm
Gas Leak Detector - detects CO (carbon monoxide), smoke, measurement range from 3 to 330 ppm, gas detection sensitivity 28 ppm, battery-powered, acoustic signals, signal volume 85 dB, features test button, cover material plastic, operating temperature from -10 to 40 °C, operating humidity from 25 to 95 %, ingress protection IP44, input voltage 3V, battery included, standalone unit
Buy with code ALZADNI10 The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získajte zľavu 10 % s kódom ALZADNI10. Kliknite a kód sa uplatní automaticky. 41.31 €
45.90 €
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In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: HNW22_01
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. 34.43 €
-20 % off new 45.90 € New 57.90 €
Buy
As good as new - in stock 1 pcs
Order Code: Eve23_02
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
45.90 €
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In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Shell24_010
4.6 20×
Shelly Gen3 H&T, battery operated temperature and humidity sensor with display, WiFi, ivory
Detector - battery operated temperature and humidity sensor with display, WiFi, ivory
45.90 €
Buy
On the way 3 pcs
Expected 24/06/2026
Order Code: Shell24_011
4.6 20×
Shelly Gen3 H&T, battery operated temperature and humidity sensor with display, WiFi, black
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 batteries (batteries not included), USB Type-C power supply (cable not included)
45.90 €
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In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Shell24_008
4.1 25×
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
45.90 €
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In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Aqara24011
4.8 182×
Philips Hue Motion Sensor
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,
46.90 €
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In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: ESO521g15
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
48.90 €
Buy
In stock 1 pcs at the supplier's
Order Code: SAFEH26008
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
Buy with code ALZADNI10 The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získajte zľavu 10 % s kódom ALZADNI10. Kliknite a kód sa uplatní automaticky. 44.01 €
48.90 €
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In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: HNW22_06
4.2 27×
IMMAX NEO LITE Smart pool temperature sensor + 2x indoor temperature and humidity sensor
Temperature Sensor - TUYA, 2.4GHz WiFi connection, indoor and outdoor unit, monitoring the current pool water temperature, indoor temperature and humidity, date and time controlled from the internet with manual settings, alarm clock with snooze option, viewing the measured values in Immax NEO PRO, iOS compatible, Android, supports Apple Siri shortcuts, TUYA and LIDL systems
49.90 €
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In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: IMMX25001
4.8 20×
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,
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. 42.49 €
49.99 €
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In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Aqara25036
Homematic IP Temperature and humidity sensor - indoor, anthracite
Sensor - wireless wall-mounted temperature and humidity sensor for indoor use, enables precise temperature control in conjunction with one or more radiator thermostatic heads or floor heating actuators, power supply 2x AAA batteries, anthracite colour
50.09 €
Currently Unavailable
Order Code: Home24011
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
50.47 €
Buy
In stock > 5 pcs at the supplier's
Order Code: BOTdet004
Ubiquiti UniFi SuperLink Environmental
Sensor - Temperature, humidity, light and water, SuperLink, CR123A battery, IPX5
New arrival 50.90 €
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Ubiq26354
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
50.90 €
Buy
In stock 2 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
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
50.90 €
Buy
In stock 2 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: SAFEH26006
4.1
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,
50.90 €
Buy
In stock 2 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Aqara24009
3.0
EVOLVEO Alarmex Pro (ACSALMIMS) wireless indoor siren
Siren - closed system, area of use: security, OS supported: Android and Windows, compatible with Manufacturer app, power supply: Power plug
50.90 €
Buy
In stock 4 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: EVO22_05
4.3 15×
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
-8 % off new 51.90 € New 56.90 €
Buy
Unsealed - in stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: FIBR02hg1
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