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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 IMMAX NEO Smart Ultrasonic Liquid Level Sensor , 5 m, WiFi marked at 108 Kč incl. VAT. Is this what you’re looking for?

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Meross Smart Temperature and Humidity Sensor MS100F - Sensor

Meross Smart Temperature and Humidity Sensor MS100F

Currently Unavailable

Sensor - temperature measurement in °C or °F, measurement of humidity in %, functionality only with the Meross Hub central unit, mobile apps, notifications, battery operation...

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Honeywell Home R200S-2 Fire detector alarm - smoke sensor (optical principle), battery operated - Smoke Detector

Honeywell Home R200S-2 Fire detector alarm - smoke sensor (optical principle), battery operated

629,- New 690,-

Unsealed - in stock 1 pcs

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

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TESLA Smart Gas Sensor - Gas Leak Detector

TESLA Smart Gas Sensor

In stock > 5 pcs

Buy at the price for both existing and new AlzaPlus+ members 543,-

Gas Leak Detector - mains power supply, detection reach 50 m, acoustic, visual signals, notifications via push notifications, features reset, cover material plastic, operating...

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SwitchBot Presence Sensor - Sensor

SwitchBot Presence Sensor

639,- New 699,-

Unsealed - in stock 1 pcs

Buy at the price for both existing and new AlzaPlus+ members 447,-

Sensor - 3in1 presence detection (mmWave radar, PIR, light sensor), recognition of micro-movements and static persons, range up to 8 m (movement) / 5 m (presence), 120° angle of...

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Meross Smart Smoke Alarm - Smoke Detector

Meross Smart Smoke Alarm

639,- New 679,-

Unsealed - in stock 5 pcs

Buy at the price for both existing and new AlzaPlus+ members 543,-

Smoke Detector - battery-powered , reaction time 0,002 s, acoustic signals, notifications via push notifications, signal volume 110 dB, features: alarm, cover material plastic,...

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SONOFF IP65 Zigbee LCD Smart Temperature Humidity Sensor SNZB-02WD - Sensor

SONOFF IP65 Zigbee LCD Smart Temperature Humidity Sensor SNZB-02WD

In stock > 5 pcs

2 colors

Buy at the price for both existing and new AlzaPlus+ members 511,-

Sensor – IP65 waterproof design, temperature and humidity measurements, clear 2.2″ LCD display, high accuracy of ±0.2 °C and ±2 % RH, view history up to 180 days, smart scenes and...

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Smoot ZigBee Smoke Alarm - Smoke Detector

Smoot ZigBee Smoke Alarm

In stock 2 pcs at the supplier's

Smoke Detector - battery-powered , acoustic signals, notifications via SMS, push notifications, battery indication, features: alarm, cover material plastic, compatible with Tuya,...

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BOT WiFi STV2 Tuya Smart - Sensor

BOT WiFi STV2 Tuya Smart

In stock > 5 pcs at the supplier's

Sensor - Interior, temperature and humidity sensor, WiFi connection, compatible with the Android operating system, iOS and the Tuya Smart app, communicates with the Amazon Alexa...

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BOT Smart gas detector WiFi GS4 - Gas Leak Detector

BOT Smart gas detector WiFi GS4

In stock > 5 pcs at the supplier's

Buy at the price for both existing and new AlzaPlus+ members 558,-

Gas Leak Detector - mains power supply, detection reach 20 m, acoustic signals, notifications via push notifications, signal volume 90 dB, display, features alarm, cover material...

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iQtech Smartlife SS03 Zigbee Smoke sensor, Zigbee 3.0 - Smoke Detector

iQtech Smartlife SS03 Zigbee Smoke sensor, Zigbee 3.0

659,- New 799,-

As good as new - in stock 1 pcs

Smoke Detector - battery-powered , detection reach 10 m, notifications via push notifications, battery indication, features: alarm, cover material plastic, compatible with Tuya...

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BOT Smart air quality sensor WiFi AirBox2 - Air Quality Meter

BOT Smart air quality sensor WiFi AirBox2

In stock > 5 pcs at the supplier's

Buy at the price for both existing and new AlzaPlus+ members 565,-

Air Quality Meter - temperature measurement from 20 to 85 °C, mains power supply, detection reach 20 m, notifications via push notifications, cover material plastic, operating...

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WiZ Contact sensor - Door and Window Sensor

WiZ Contact sensor

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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TESLA Smart Water Sensor - Water Leak Detector

TESLA Smart Water Sensor

In stock > 5 pcs

Buy at the price for both existing and new AlzaPlus+ members 569,-

Water Leak Detector - detects water gas, battery-powered, range: 50 m, compatible with Tuya, Smartlife and Tesla Smart, connection via radio waves, battery indication, central unit...

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AQARA Multi-State Sensor P100 Kit (VB-S03DW), white - Vibration Detector

AQARA Multi-State Sensor P100 Kit (VB-S03DW), white

669,- New 759,-

Unsealed - in stock 1 pcs

2 colors

Vibration Detector - detects Opening windows and doors, vibration and Angle gas, battery-powered, compatible with Apple Home, Google Home and Aqara Home, connection via radio...

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Honeywell Home R200H-N2 Interconnected fire alarm detector - temperature principle, battery operated - Temperature Sensor

Honeywell Home R200H-N2 Interconnected fire alarm detector - temperature principle, battery operated

669,- New 799,-

Unsealed - in stock 1 pcs

Temperature Sensor - interconnected fire detector, battery powered

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Meross Smart Smoke Alarm - Smoke Detector

Meross Smart Smoke Alarm

In stock > 5 pcs

Buy at the price for both existing and new AlzaPlus+ members 577,-

Smoke Detector - battery-powered , reaction time 0,002 s, acoustic signals, notifications via push notifications, signal volume 110 dB, features: alarm, cover material plastic,...

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Meross Smart Temperature and Humidity Sensor MS130-EU - Sensor

Meross Smart Temperature and Humidity Sensor MS130-EU

In stock > 5 pcs

Buy at the price for both existing and new AlzaPlus+ members 577,-

Sensor – Temperature sensor, humidity and light, Protocol Matter, Large 3.7" display, 4th generation Swiss sensors, Apple HomeKit support, Google Assistant, Alexa and SmartThings,...

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AQARA Door and Window Sensor P2 - Door and Window Sensor

AQARA Door and Window Sensor P2

679,- New 759,-

As good as new - in stock 1 pcs

Door and Window Sensor - wireless, compatible with Apple Home, Google Home, Samsung SmartThings and Aqara Home, connect via Bluetooth, battery indication, central unit required,...

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GARNI 092H wireless sensor - Sensor

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.

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Imou gas sensor/detector ZGA1 - Gas Leak Detector

Imou gas sensor/detector ZGA1

Ordered on request

Gas Leak Detector - mains power supply, detection reach 200 m, acoustic, visual signals, notifications via push notifications, signal volume 85 dB, features self-diagnostics,...

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EVOLVEO Alarmex Pro (ACSALMPIRP) wireless PIR motion sensor with immunity to small animal movement - Motion Sesnor

EVOLVEO Alarmex Pro (ACSALMPIRP) wireless PIR motion sensor with immunity to small animal movement

Motion Sesnor , connect through WiFi 2,4 GHz and GSM, closed system with detection motion compatible with Tuya, range: security, power supply: Battery-Powered,

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EVOLVEO Alarmex Pro (ACSALMSMK) wireless smoke detector - Smoke Detector

EVOLVEO Alarmex Pro (ACSALMSMK) wireless smoke detector

On the way 1 pcs

Expected 27/07/2026

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...

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EVOLVEO Defender D5 - Gas Leak Detector

EVOLVEO Defender D5

On the way > 5 pcs

Expected 22/07/2026

Gas Leak Detector - detects CO (carbon monoxide), battery-powered, acoustic, visual signals, signal volume 85 dB, battery indication and display, features test button and...

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Honeywell Home R200S-2 Fire detector alarm - smoke sensor (optical principle), battery operated - Smoke Detector

Honeywell Home R200S-2 Fire detector alarm - smoke sensor (optical principle), battery operated

In stock > 5 pcs

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

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No longer sold

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