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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
4.8 17×
SONOFF SNZB-04P Zigbee Door/Window Sensor
Door and Window Sensor - wireless, compatible with Samsung SmartThings, IFTTT and eWeLink, range of 30m, central unit required, supported OS: Android and iOS, application in Czech, application in Czech and English
16.90 €
Buy
On the way > 5 pcs
Expected 25/06/2026
Order Code: SNFa104
4.7 39×
SwitchBot Thermo/Hygrometer Indoor/Outdoor
Sensor - measures temperature and humidity, mobile apps, degree of protection IP65, strap for hanging, updates the measured values every 4 seconds, for remote synchronisation or control by voice assistants a central unit is required (not included)
16.90 €
Buy
In stock 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: SwBot21_26
4.5 50×
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
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. 12.68 €
16.90 €
Currently Unavailable
Order Code: Sonoff23_03
4.6 11×
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 €
Buy
In stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Moes22_36
4.6 137×
SONOFF ZB SNZB-02D SMART Temperature & Humidity sensor
Sensor - temperature measurement in °C or F, measurement of humidity in %, 2.5" display, data recovery every 5 seconds, Zigbee 3.0, mobile apps, notifications, support for voice assistants, battery operation (CR2450)
Buy with code ALZADNI20 The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získajte zľavu 20% s kódom ALZADNI20. Kliknite a kód sa uplatní automaticky. 13.52 €
16.90 €
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: SNFa073
4.8 144×
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
16.90 €
Buy
Unsealed - in stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: TP22_39
4.8 23×
SwitchBot Thermometer & Hygrometer Plus
Sensor - temperature measurement in °C or F, measurement of humidity in %, 3" LCD display, data recovery every 4 seconds, mobile apps, notifications, support for voice assistants, the possibility of inclusion in the SwitchBot ecosystem, battery operation (2× AAA)
16.90 €
Buy
In stock 4 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: SwBot21_19
4.8 144×
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
Amazing Deal 16.90 € Save 3 €
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: TP22_39
5.0
EVOLVEO Alarmex Pro (ACSALMMST) wireless door/window detector
Door and Window Sensor - wireless, compatible with Manufacturer app, connect via WiFi 2,4 GHz, GSM and Radio frequency, range of 100m, central unit required, supported OS: Android and iOS, application in Czech, application in Czech and English
16.90 €
Buy
In stock 3 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: EVO22_09
3.8
Nous E5 Zigbee Smart Temperature and Humidity Sensor
Sensor - temperature and humidity sensor, process automation, battery power, durability of 5 years, compatible with Google Assistant, Amazon Alexa and Tuya, connection via ZigBee 3.0, apps in Czech for Android and iOS
16.90 €
Buy
In stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: NOUSmh009
4.5 10×
SwitchBot Motion Sensor
Motion Sensor - for lighting, Interior, battery powered, reaction time: 0,5s, connection via WiFi 2,4 GHz, a central unit is required to function
16.90 €
Currently Unavailable
Order Code: SwBot21_12
4.4 30×
SwitchBot Thermometer & Hygrometer
Sensor - temperature and humidity, senses 24 hours a day, Wi-Fi, Bluetooth, range: 120 m, colour: white
16.90 €
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: SwBot21_03
4.7 17×
iGET SECURITY EP5 - remote control (key fob) for iGET M5-4G alarm
Wireless Controller Remote control for basic control, for iGET SECURITY M5 alarm. The following settings can be made using the rotary pushbutton: activation, deactivation, home mode, SOS. It contains one freely adjustable button on the underside.
16.90 €
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In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: iGt21023
4.3
iGET SECURITY P1v2 - wireless PIR motion detector
Motion Sensor accessories for iGET SECURITY M3B and M2B alarm system - Wireless PIR motion detector for monitoring movement in the room
16.90 €
Buy
In stock > 5 pcs
Order Code: iGt21010
3.5
iGET SECURITY P21 - wireless magnetic detector for iGET SECURITY M3B and M2B
Door and Window Sensor - wireless, range of 80m, central unit required, application in Czech
16.90 €
Buy
In stock 1 pcs at the supplier's
Order Code: NU112
4.6
Elektrobock IR24A
Motion Sensor - for lighting, Interior, mains supply, input voltage: 230 V, reach of 10m, adjustable sensitivity, independently functional unit
16.90 €
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: ELBOCK068
EMOS Mikrovlnný senzor (pohybové čidlo) IP20, 2000 W, 360°, přisazený
Motion Sensor - for lighting, Interior, mains supply, input voltage: 230 V, reach of 8m, integrated daylight sensor and adjustable sensitivity, independently functional unit
New arrival 17.90 €
Buy
Ordered on request
Order Code: EMOS26066
Hama SMART door/window sensor, magnetic, Zigbee
Door and Window Sensor - wireless, compatible with Tuya, separately functional unit, supported OS: Android and iOS, application in Czech
17.90 €
Currently Unavailable
Order Code: SMARaaa0018
4.4 15×
EMOS GoSmart Smoke Detector TS380C-HW with Wi-Fi
Smoke Detector - battery-powered , acoustic, visual signals, notifications via push notifications, signal volume 85 dB, battery indication, features: test button, cover material plastic, operating temperature from 0 to 40 °C, operating humidity from 0 to 93 %, ingress protection IP20, standalone unit, app language options: Czech and English , compatible with Android and iOS
-30 % off new 17.90 € New 25.90 €
Buy
Unsealed - in stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: EMOS24053
4.5 25×
SONOFF Zigbee Human Presence Sensor
Sensor - for motion detection, functionality based on 5.8 GHz microwave radar, three levels of sensitivity, detection distance up to 4 m, compatible with smart bulbs, Smart Switch and smart LED strips, possibility of fixing the base to the wall with 3M tape or screws, the sensor is fixed magnetically, USB-C power, ZigBee Hub central unit needed, Amazon Alexa support, Google Home, Smartthings, Alice and IFTTT
17.90 €
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Sonoff23_07
4.9 12×
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, power supply 3 x AA alkaline batteries (not included), sensor 3 x AAA alkaline batteries or external USB charger 5V DC (not included)
Amazing Deal 17.90 € Save 2 €
Buy
On the way > 5 pcs
Expected 27/04/2026
Order Code: Solight23_18
4.7 17×
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)
17.90 €
Buy
In stock 3 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Solight23_17
1.5
Elektrobock IR21-R
Motion Sensor - for lighting, Interior, mains supply, input voltage: 230 V
17.90 €
Buy
In stock 1 pcs
Order Code: ELBOCK030
4.8 30×
iGET SECURITY M3P1 - wireless PIR motion detector for iGET SECURITY M3 and M4
Motion Sensor - for alarm, Interior, battery powered, input voltage: 3V, reach of 9m, connection via radio waves, battery indication, independently functional unit
from  17.15 €
Currently Unavailable
Order Code: NU106b

Cheap smart Home Sensors & Detectors

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