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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 DS18B20 Temperature Sensor for 3.5mm jack (1m) marked at 4.59 € incl. VAT. Is this what you’re looking for?

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Shelly Gen3 H&T, battery operated temperature and humidity sensor with display, WiFi, white - Detector

Shelly Gen3 H&T, battery operated temperature and humidity sensor with display, WiFi, white

In stock > 5 pcs

3 colors

Detector - Battery operated temperature and humidity sensor with display, WiFi, white

Added to cart

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Shelly Gen3 H&T, battery operated temperature and humidity sensor with display, WiFi, ivory - Detector

Shelly Gen3 H&T, battery operated temperature and humidity sensor with display, WiFi, ivory

On the way 3 pcs

Expected 02/07/2026

3 colors

Detector - battery operated temperature and humidity sensor with display, WiFi, ivory

Added to cart

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Shelly Gen3 H&T, battery operated temperature and humidity sensor with display, WiFi, black - Detector

Shelly Gen3 H&T, battery operated temperature and humidity sensor with display, WiFi, black

In stock > 5 pcs

3 colors

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...

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Philips Hue Motion Sensor - Motion Sesnor

Philips Hue Motion Sensor

In stock > 5 pcs

Motion Sesnor , connect through Bluetooth, open system with detection motion compatible with Apple Home, range: lighting, application in English, Czech, German, Slovak and...

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SAFE Door Guard Plus, white - Sensor

SAFE Door Guard Plus, white

In stock 1 pcs at the supplier's

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...

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Honeywell Home R200ST-N2 Interconnected fire alarm detector - smoke (optical) and temperature princi - Smoke Detector

Honeywell Home R200ST-N2 Interconnected fire alarm detector - smoke (optical) and temperature princi

In stock > 5 pcs

Smoke Detector - temperature measurement from 0 to 70 °C, battery-powered , acoustic signals, signal volume 85 dB, features: test button, cover material plastic, operating...

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Homematic IP Temperature and humidity sensor - indoor, anthracite - Sensor

Homematic IP Temperature and humidity sensor - indoor, anthracite

Currently Unavailable

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...

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SONOFF AirGuard PM2.5/PM10 Matter Over Wi-Fi Air Quality Monitor SAWF-07P - Air Quality Meter

SONOFF AirGuard PM2.5/PM10 Matter Over Wi-Fi Air Quality Monitor SAWF-07P

49.90 € New 58.90 €

Unsealed - in stock 3 pcs

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...

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SAFE Glass Guard, white - Sensor

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...

Added to cart

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SAFE Indoor Siren, white - Siren

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

Added to cart

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Homematic IP Window and door sensor - optical plus, concealed mounting - HmIP-SWDO-I - Door and Window Sensor

Homematic IP Window and door sensor - optical plus, concealed mounting - HmIP-SWDO-I

49.90 € New 65.58 €

Unsealed - in stock 1 pcs

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,...

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IMMAX NEO LITE Smart pool temperature sensor + 2x indoor temperature and humidity sensor - Temperature Sensor

IMMAX NEO LITE Smart pool temperature sensor + 2x indoor temperature and humidity sensor

In stock > 5 pcs

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...

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EVOLVEO Alarmex Pro (ACSALMIMS) wireless indoor siren - Siren

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

Added to cart

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FIBARO Window and door sensor 2 white - Door and Window Sensor

FIBARO Window and door sensor 2 white

49.90 € New 56.90 €

Unsealed - in stock 1 pcs

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,...

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AQARA Presence Multi-Sensor FP300 (PS-S04D), Zigbee, Thread - Motion Sesnor

AQARA Presence Multi-Sensor FP300 (PS-S04D), Zigbee, Thread

In stock > 5 pcs

Motion Sesnor , connect through Bluetooth, open system with detection Human presence compatible with Aqara Home and Manufacturer app, range: lighting, heating and cooling and...

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BOT Smart Smoke Detector WiFi Tuya SS1 built-in battery - Smoke Detector

BOT Smart Smoke Detector WiFi Tuya SS1 built-in battery

In stock 5 pcs at the supplier's

Smoke Detector - battery-powered , detection reach 20 m, acoustic signals, notifications via push notifications, signal volume 85 dB, battery indication, cover material plastic,...

Added to cart

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Ubiquiti UniFi SuperLink Environmental - Sensor

Ubiquiti UniFi SuperLink Environmental

In stock > 5 pcs at the supplier's

Sensor - Temperature, humidity, light and water, SuperLink, CR123A battery, IPX5

Added to cart

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AQARA Presence Sensor FP1E (PS-S03D), Zigbee - Motion Sesnor

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...

Added to cart

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WiZ Contact sensor 2pack - Door and Window Sensor

WiZ Contact sensor 2pack

In stock 1 pcs at the supplier's

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...

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Siemens Connected Home window/door switch SCH020ZB, ZigBee - Door and Window Sensor

Siemens Connected Home window/door switch SCH020ZB, ZigBee

In stock 3 pcs at the supplier's

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

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iGET SECURITY P11v2 - wireless outdoor siren (battery/adapter) - Siren

iGET SECURITY P11v2 - wireless outdoor siren (battery/adapter)

In stock 3 pcs at the supplier's

Siren - closed system, area of use: security, OS supported: Android and iOS, power supply: Power plug and Battery-Powered, in Czech and English

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Eufy Security Water and Freeze Sensor - Water Leak Detector

Eufy Security Water and Freeze Sensor

Water Leak Detector - detects water gas, battery-powered, range: 200 m, compatible with Google Home and Manufacturer app, connect via WiFi 2,4 GHz, central unit required to...

Added to cart

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Eufy Security Siren - Siren

Eufy Security Siren

In stock > 5 pcs

Siren - closed system, area of use: security, OS supported: Android and iOS, compatible with Manufacturer app, power supply: Battery-Powered, in English

Added to cart

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Homematic IP Flood Sensor - HmIP-SWD - Water Leak Detector

Homematic IP Flood Sensor - HmIP-SWD

Currently Unavailable

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...

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No longer sold

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