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Cheap door and Window Sensors

On this page you will find door and Window Sensors at the lowest prices, more so all door and Window Sensors 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 iGET HOME XP4B - wireless magnetic door/window sensor for iGET HOME X1 and X5 alarm marked at 6.69 € incl. VAT. Is this what you’re looking for?
55 Results
4.9 22×
iGET SECURITY EP4 - wireless magnetic door/window sensor for iGET M5-4G alarm
Detector magnetic sensor for door and window opening detection, for iGET SECURITY M5 alarm. Alerts you if you forget to close the window/door when you leave. Protection against sabotage, highest transmission security 256bit, very long battery life of 5 years, the alarm constantly monitors the activity of this sensor, also a signal, battery percentage and more.
18.90 €
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: iGt21016
4.0
AQARA Vibration Sensor T1 (VB-S01D)
Vibration Detector - detects Opening windows and doors, Fall and vibration gas, battery-powered, reaction time: 1s, compatible with Apple Home and Manufacturer app, battery indication and adjustable sensitivity, central unit required to function,, app with Czech language support, app with Czech and English language support for Android and iOS
Buy with code ALZADAYS10AT The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Erhalten Sie 10 % Rabatt mit dem Code ALZADAYS5AT. Das Angebot gilt bis zum 15. September 2025 oder solange der Vorrat reicht und ist nur für Endverbraucher bestimmt. 17.91 €
Amazing Deal 19.90 €
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In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Aqara25021
4.9
EZVIZ T2C
Door and Window Sensor - wireless, compatible with IFTTT and EZVIZ, battery indication, range of 200m, central unit required, supported OS: Android and iOS, application in Czech, application in Czech and English
19.90 €
Currently Unavailable
Order Code: EZVIZ23_02
3.7
Niceboy ION ORBIS Windows & Door Sensor
Door and Window Sensor - wireless, compatible with Niceboy ION, battery indication, central unit required, supported OS: Android and iOS, application in Czech, application in Czech and English
20.90 €
Buy
In stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: NCB23_009
4.0
Tellur WiFi Smart door/window sensor, AAA, white
Door and Window Sensor - wireless, compatible with Manufacturer app, connect via WiFi 2,4 GHz, battery indication, separately functional unit, supported OS: Android and iOS, application in Czech, application in Czech and English
21.19 €
Currently Unavailable
Order Code: TLLR2103
4.0
Shelly BLU Bluetooth, brown
Door and Window Sensor - wireless, compatible with Google Home, Samsung SmartThings and Manufacturer app, connect via Bluetooth, battery indication, integrated daylight sensor and adjustable sensitivity, separately functional unit, supported OS: Android, Windows and iOS, application in Czech, application in Czech and English
21.83 €
Currently Unavailable
Order Code: Shell23_035
Solight Smart WiFi motion detector 1D23WIFI
Door and Window Sensor - with mains + battery power, compatible with Tuya and Smartlife, connect via Radio frequency, range of 200m, separately functional unit, supported OS: Android and iOS, application in Czech, application in Czech and English
New arrival 21.90 €
Buy
In stock 3 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Solight26018
5.0
iGET SECURITY M3P21 - wireless magnetic detector for iGET SECURITY M3 and M4
Door and Window Sensor - wireless, connect via Radio frequency, battery indication, range of 100m, central unit required
21.90 €
Currently Unavailable
Order Code: NU146
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
21.90 €
Currently Unavailable
Order Code: NU112
4.9 13×
Eufy Entry Sensor
Door and Window Sensor - magnetic on the door/window, checking that the door is closed, fully compatible with Eufy Security devices, battery in the package - last 2 years, apps on your smart device, iOS/Android, the product requires a central unit
Buy with code ALZADAYS20AT The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Erhalten Sie 20 % Rabatt mit dem Code ALZADAYS20AT. Das Angebot gilt bis zum 15. September 2025 oder solange der Vorrat reicht und ist nur für Endverbraucher bestimmt. 20.72 €
Amazing Deal 25.90 €
Buy
On the way > 5 pcs
Expected 18/04/2026
Order Code: EUF01c
4.4 47×
AQARA Door and Window Sensor P2
Door and Window Sensor - wireless, compatible with Apple Home, Google Home, Samsung SmartThings and Aqara Home, connect via Bluetooth, battery indication, central unit required, supported OS: Android and iOS, application in Czech, application in Czech and English
27.90 €
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: AqRAA_0018
5.0
iGET SECURITY EP21 - wireless magnetic sensor for doors and iron doors for iGET M5-4G alarm
Detector Magnetic sensor designed to detect the opening of iron doors, windows and gates, for iGET SECURITY M5 alarm. Alerts you if you forget to close the window/door/gate when you leave. Protection against sabotage, highest transmission security 256bit, very long battery life of 5 years, the alarm constantly monitors the activity of this sensor, also a signal, battery percentage and more.
28.90 €
Currently Unavailable
Order Code: iGt21021
AQARA Multi-State Sensor P100 Kit (VB-S03D), grey
Vibration Detector - detects Opening windows and doors, vibration and Angle gas, battery-powered, compatible with Apple Home, Google Home, Samsung SmartThings and Aqara Home, connection via radio waves, adjustable sensitivity, central unit required to function,, app with Czech language support, app with Czech and English language support for Android and iOS
New arrival 29.90 €
Currently Unavailable
Order Code: Aqara26001
AQARA Multi-State Sensor P100 Kit (VB-S03DW), white
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 waves, adjustable sensitivity, central unit required to function,, app with Czech language support, app with Czech and English language support for Android and iOS
30.90 €
Currently Unavailable
Order Code: Aqara26002
EVOLVEO Alarmex Pro (ACSALMMSTS) wireless door/gate/gate detector
Door and Window Sensor - wireless, compatible with Manufacturer app, connect via WiFi 2,4 GHz, GSM and Radio frequency, range of 80m, separately functional unit, supported OS: Android and iOS, application in Czech, application in Czech and English
31.90 €
Currently Unavailable
Order Code: EVO22_10
Homematic IP Window and door sensor, magnetic - HmIP-SWDM-2
Door and Window Sensor - wireless, compatible with Homematic IP, connect via Radio frequency, range of 200m, central unit required, supported OS: Android and iOS, application in Czech, application in Czech and English
New arrival 32.90 €
Buy
In stock 2 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Home26001
4.0
Meross Smart Door and Window Sensor Kit
Door and Window Sensor - with mains + battery power, compatible with Apple Home, Samsung SmartThings and Manufacturer app, connect via WiFi 2,4 GHz, range of 100m, central unit required, supported OS: Android and iOS, application in English
32.90 €
Buy
In stock 2 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Mer24_11
4.4 14×
FIBARO Window and door sensor 2 white
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, application in Czech, application in Czech and English
35.39 €
Buy
On the way 2 pcs
Expected 24/04/2026
Order Code: FIBR02hg1
SAFE Door Guard, white
Sensor - Wireless magnetic door and window security detector Powered by a replaceable battery that allows continuous operation for up to 5 years, white colour
Buy with code ALZADAYS10AT The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Erhalten Sie 10 % Rabatt mit dem Code ALZADAYS5AT. Das Angebot gilt bis zum 15. September 2025 oder solange der Vorrat reicht und ist nur für Endverbraucher bestimmt. 32.31 €
New arrival 35.90 €
Buy
In stock 2 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: SAFEH26009
4.0
Philips Hue Contact sensor White
Sensor - security sensor on the windows, door or safe, sends an alert or triggers a preset light alarm, includes a magnetic counterpart, IP20, can be glued or screwed (material not included), bridge required for full functionality, White colour
Great price 38.90 €
Buy
In stock 1 pcs
Order Code: PHLS23015
4.8 10×
Philips Hue Contact sensor Black
Sensor - security sensor on the windows, door or safe, sends an alert or triggers a preset light alarm, includes a magnetic counterpart, IP20, can be glued or screwed (material not included), bridge required for full functionality, black
38.90 €
Buy
In stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: PHLS23014
4.5 26×
IMMAX NEO 3x Smart magnetic sensor for doors and windows, Zigbee 3.0
Detector - Smart magnetic sensor for windows and doors to secure your home, ZigBee 3.0, three pieces in the package, CR2032 battery, Immax NEO PRO app in Czech and 60 other languages compatible with iOS, Android, with Amazon Alexa voice assistants, Apple Siri Shortcuts, Google Assistant and TUYA systems, LIDL
39.90 €
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: IMMX_22_30
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 ALZADAYS10AT The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Erhalten Sie 10 % Rabatt mit dem Code ALZADAYS5AT. Das Angebot gilt bis zum 15. September 2025 oder solange der Vorrat reicht und ist nur für Endverbraucher bestimmt. 43.11 €
New arrival 47.90 €
Buy
In stock 2 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: SAFEH26008
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
50.46 €
Currently Unavailable
Order Code: SimS25003
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