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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?
507 Results
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
44.90 €
Buy
Unsealed - in stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Aqara24011
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,
44.99 €
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Aqara25036
4.8 103×
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
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
4.6 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 €
Buy
On the way > 5 pcs
Expected 30/04/2026
Order Code: Shell24_010
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 €
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Shell24_008
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
45.90 €
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Aqara24011
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
46.03 €
Buy
On the way 3 pcs
Expected 30/04/2026
Order Code: Shell24_011
4.8 182×
Philips Hue Motion Sensor
Motion Sensor - for lighting, Interior, battery powered, reach of 5m, compatible with Apple Home, connection via Bluetooth, application in Czech, applications in Czech and English for Android, Windows and iOS
46.90 €
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: ESO521g15
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
-12 % off new 46.90 € New 53.90 €
Buy
Unsealed - in stock 1 pcs
Order Code: EVO22_04
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 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 €
New arrival 48.90 €
Buy
In stock 2 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
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
48.90 €
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: HNW22_06
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
49.64 €
Currently Unavailable
Order Code: Home24011
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 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. 44.91 €
New arrival 49.90 €
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
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. 44.91 €
New arrival 49.90 €
Buy
In stock 2 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: SAFEH26006
4.3 22×
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 €
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: IMMX25001
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
49.90 €
Buy
In stock 3 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: EVO22_05
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
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. 47.51 €
50.01 €
Buy
In stock > 5 pcs at the supplier's
Order Code: BOTdet004
New arrival 50.90 €
Buy
In stock 3 pcs at the supplier's
Order Code: Ubiq26354
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
-6 % off new 50.90 € New 54.64 €
Buy
Unsealed - in stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Home22_21
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 > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Aqara24009
Siemens Connected Home window/door switch SCH020ZB, ZigBee
Door and Window Sensor -, compatible with Google Home, connect via Radio frequency, battery indication, range of 14m, central unit required, supported OS: Android and iOS
51.68 €
Buy
In stock 3 pcs at the supplier's
Order Code: SimS25003
Homematic IP Flood Sensor - HmIP-SWD
Water Leak Detector - detects water gas, battery-powered, sound level: 77dB, compatible with Google Home and Home Connect, central unit required to function,, app with Czech language support
53.80 €
Currently Unavailable
Order Code: Home22_36
Homematic IP Temperature and humidity sensor - outdoor, anthracite - HmIP-STHO-A
Sensor wireless (HmIP-STHO-A) for outdoor use is part of the Homematic IP smart home system. The compact, weatherproof sensor offers a wide range of applications in conjunction with other Homematic IP devices. The device monitors outdoor temperature and relative humidity. The measured values are then transmitted to the Central Unit (HmIP-HAP) and to the connected Homematic IP devices, which respond according to a predefined configuration.
53.80 €
Currently Unavailable
Order Code: Home22_35
5.0
Homematic IP Temperature and humidity sensor - outdoor - HmIP-STHO
Sensor wireless (HmIP-STHO) for outdoor use is part of the Homematic IP smart home system. The compact, weatherproof sensor offers a wide range of applications in conjunction with other Homematic IP devices. The device monitors outdoor temperature and relative humidity. The measured values are then transmitted to the Central Unit (HmIP-HAP) and to the connected Homematic IP devices, which respond according to a predefined configuration.
53.80 €
Currently Unavailable
Order Code: Home22_34

Cheap smart Home Sensors & Detectors

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