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 4.39 € incl. VAT. Is this what you’re looking for?
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4.4 15×
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Flammable gas leak detector - solid state sensor, 85dB siren, battery backup
Gas Leak Detector - detects natural gas, propane-butane, LPG, deviation 1500 ppm, gas detection sensitivity 2500 ppm, combined mains + battery-powered , acoustic signals, signal volume 85 dB, features test button and alarm, cover material plastic, operating temperature to 50 °C, ingress protection IP20, input voltage 230 V, mounting kit included, standalone unit
  14.86 €
Currently Unavailable
Order Code: Solight22_24
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SONOFF AirGuard TH Lite Zigbee Temperature and Humidity Sensor SNZB-02B
Sensor - temperature accuracy ±0.2°C, humidity accuracy ±2% RH, data updated every 5s, dew point, VPD, history for up to 6 months, data export, alerts for exceeding values, smart automation, Apple Home via Matter Bridge, Zigbee 3.0, IEEE 802.15.4, 2× AAA, battery life up to 2 years, operating temperature −20 to 60°C, dimensions 66.3×27.8×20mm, weight 43g, white
New arrival 14.90 €
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In stock > 10 pcs
Order Code: SNF2633
5.0 1×
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SONOFF SenseGuard Series SenseGuard DW Gen2 Zigbee Door/Window Sensor
Door and Window Sensor - wireless, compatible with eWeLink, connect via Radio frequency, range of 100m, central unit required, supported OS: Android and iOS
  14.90 €
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On the way > 5 pcs
Expected 06/10/2026
Order Code: SNF2623
3.8 18×
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MOES Temperature and humidity probe, ZigBee
Sensor - ZigBee connection (requires a gateway), accurate measurement of temperature -10 to 60 °C and humidity 0-99%, real-time data in MOES, Tuya / Smart Life support, smart scenes and automation, compact dimensions 43 × 42.5 × 11.8 mm, light weight 21 g
  14.90 €
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In stock > 10 pcs
Order Code: Moes2545
4.7 32×
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SONOFF SNZB-05P Zigbee Water Leak Sensor
Water Leak Detector - detects Water gas, battery-powered, range: 130 m, compatible with Samsung SmartThings, IFTTT and eWeLink, central unit required to function,, app with Czech language support, app with Czech and English language support for Android and iOS
Great price 14.90 €
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In stock > 10 pcs
Order Code: SNFa108
5.0 3×
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XtendLan PS-IR02
TV Remote Control -, range 0.03 m, infra-red transmission technology
  14.90 €
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In stock 4 pcs
Order Code: Xten_22_24
4.8 155×
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TP-Link Tapo T110, Smart window/door sensor
Door and Window Sensor - wireless, compatible with Apple Home and Samsung SmartThings, connect via Radio frequency, central unit required, supported OS: Android and iOS, application in Czech, application in Czech and English
  14.90 €
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In stock > 10 pcs
Order Code: TP22_39
3.8 5×
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iGET SECURITY P4v2 - wireless magnetic door/window detector for iGET SECURITY M3B and M2B
Door and Window Sensor -, compatible with iGet Home, connect via Radio frequency, range of 70m, central unit required, supported OS: Android and iOS, application in Czech, application in Czech and English
  14.90 €
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In stock > 5 pcs
Order Code: iGt21011
5.0 6×
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WOOX Smart Water Leak Sensor R7050
Water Leak Detector - detects Water gas,, compatible with Tuya, central unit required to function,, app with Czech language support, app with Czech and English language support for Android and iOS
  14.90 €
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In stock 5 pcs
Order Code: Woox22_18
4.2 9×
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EVOLVEO wireless vibration detector for Alarmex/Sonix
Vibration Detector - detects Opening windows and doors and vibration gas,, range: 40 m, standalone functional unit
  14.90 €
Currently Unavailable
Order Code: RY202f3
4.2 7×
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RETLUX RSH 307 Smart door/window sensor
Door and Window Sensor -, compatible with Google Home, connect via Radio frequency, battery indication, central unit required
  15.90 €
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In stock > 5 pcs
Order Code: RTLX25039
3.4 8×
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EVOLVEO WiFi DOOR, smart window/door detector
Door and Window Sensor - wireless, compatible with Smartlife, connect via WiFi 2,4 GHz, battery indication, separately functional unit, supported OS: Android and iOS, application in Czech, application in Czech and English
  15.90 €
Currently Unavailable
Order Code: EVO23_020
3.6 6×
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EVOLVEO WiFi EYE, smart magnetic PIR motion sensor
Motion Sesnor , connect through WiFi 2,4 GHz, closed system with detection motion compatible with Tuya, range: security, application in English, Czech, German, Slovak and Hungarian, power supply: Battery-Powered,
  15.90 €
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In stock > 10 pcs
Order Code: EVO23_021
4.3 9×
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iGET SECURITY P1v2 - wireless PIR motion detector
Motion Sesnor accessories for iGET SECURITY M3B and M2B alarm system - Wireless PIR motion detector for monitoring movement in the room
  15.90 €
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In stock > 5 pcs
Order Code: iGt21010
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iGET SECURITY MP9, Water Detector for M6-4G
Water Leak Detector - detects Water gas, battery-powered, range: 800 m, reaction time: 0,1s, sound level: 90dB, compatible with Manufacturer app, connection via radio waves, battery indication, central unit required to function,, app with Czech language support, app with Czech and English language support for Android and iOS
New arrival 16.90 €
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In stock 4 pcs
Order Code: IGET26007
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RETLUX RSH 310 Smart Water Leak Sensor
Water Leak Detector - detects Water gas, battery-powered, compatible with Tuya, Smartlife and Manufacturer app, connection via radio waves, battery indication, central unit required to function,, app with Czech language support for Android and iOS
  16.90 €
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In stock > 10 pcs
Order Code: RTLX26016
4.0 6×
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RETLUX RSH 309 Smart temperature sensor
Temperature Sensor - moisture detection, temperature measurement from -10 to 50 °C with an accuracy of 0.3 °C, moisture measurement with 3% accuracy, battery power, notification via SMS, push notifications, battery status indication, reset function and automatic scenarios, cover material plastic, operating temperature from -10 to 50 °C, operating humidity from 0 to 95%, input voltage 3 V, battery and mounting kit included, independently functional unit central unit required for functionality, applications in Czech and English, compatible with Android and iOS
  16.90 €
Currently Unavailable
Order Code: RTLX25041
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Meross Smart Water Leak Sensor
Water Leak Detector - detects Water gas, battery-powered, sound level: 100dB, compatible with Apple Home, Google Home, Samsung SmartThings and Manufacturer app, connection via radio waves, central unit required to function,, app with Czech language support, app with Czech and English language support for Android and iOS
  16.90 €
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In stock > 10 pcs
Order Code: Mer2520
3.4 6×
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MOES Light Sensor, Zigbee
Sensor - ZigBee connection (requires a gateway), real-time monitoring of light intensity, smart scenes via Tuya/MOES/Smart Life, automation of lighting at dusk, interactive brightness curve, up to 1 year battery life CR2032, discharge warning, easy installation with adhesive tape, compact design
  16.90 €
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In stock > 10 pcs
Order Code: Moes2509
4.5 54×
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SONOFF Zigbee Temperature and Humidity Sensor
Sensor - senses the temperature and humidity in the room, support for smart scenes, can be fixed to the wall with 3M tape or screw, ZigBee 3.0 protocol, requires a ZigBee Hub, compatible with Amazon Alexa and Google Home, runs on a CR2477 battery, mobile applications
  16.90 €
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On the way > 5 pcs
Expected 06/10/2026
Order Code: Sonoff23_03
4.9 96×
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TP-Link Tapo T300, Smart water leak sensor
Water Leak Detector - detects Humidity and Water gas, battery-powered, sound level: 90dB, compatible with Google Home and Manufacturer app, connection via radio waves, central unit required to function,, app with Czech language support, app with Czech and English language support for Android and iOS
Great price 16.90 €
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In stock > 10 pcs
Order Code: TP23_065
4.6 11×
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MOES Water Leakage Detector, Zigbee
Water Leak Detector - detects Water gas, battery-powered, compatible with Tuya and MOES, battery indication, central unit required to function,, app with Czech language support, app with Czech and English language support for Android and iOS
  16.90 €
Currently Unavailable
Order Code: Moes22_36
4.8 19×
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Solight Wireless motion detector/gong
Detector volume 65 - 80 dB(A), signal range max. 40m without obstacles, operational range of motion detection 0-8m, angle of view 15° vertically, angle of view 100° horizontally, 36 adjustable melodies, 3D rotatable sensor stand, wall mounting holes, receiver power supply AC 230V~50Hz, sensor 3 x AAA alkaline batteries or external USB charger 5V DC (not included)
  16.90 €
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In stock > 10 pcs
Order Code: Solight23_17
1.8 6×
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EVOLVEO WiFi SOS, smart emergency SOS button
SOS Button SOS button - Smart Life app, WiFi network, one-button alarm with tow rope, sound and light alarm, recording history and tracking battery status in the app, support for automated scenes, easy installation without interference to the mains, helps in crisis situations, batteries: AA, stand-alone functional unit
  16.90 €
Currently Unavailable
Order Code: EVO23_023
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