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Best Door Window Sensors - Holiday Sale

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Last Updated - 16.12.2025

Best Choice

01

X-Sense

X-Sense Smart Door Sensor, Security Kit AS05/AS08 Accessories, with Replaceable Battery, Compatible with Alexa, for Various Doors and Windows in Homes, Dormitories SDS0A, Set of 3

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9.8

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Wide Compatibility: The door sensor (54 / 35 / 18 mm) and the magnet (54 / 10 / 18 mm) are good for sliding doors, window doors, skylights, basement windows and other accessible areas. Excellent adaptability provides comprehensive coverage for indoor applications
Timely Notifications The door alarm sends push notifications to your phone when an open or unclosed door or window is detected (provided the reminder function for unclosed doors is enabled). You can also receive updates on the go and share access to the device with family for real-time monitoring - ideal for homes with children or pets
Package contents: one door sensor
Note: the app features must be used with the SBS50 base station (not included)
EXPANSION ACCESSORIES The door and window sensor is an accessory for the AS05/AS08 home security system that connects to the SBS50 base station. It has a transmission range of 500 m, which allows stable connectivity and flexible installation. Simply press the pairing button to connect the door alarm to the base station. Supports up to 50 door sensors
DURABLE AND COST EFFECTIVE The door sensor has a lifespan of up to 5 years, with replaceable batteries, operates in a temperature range of 0 40 C and provides reliable performance in various environments
APP Remote Monitoring & Control Easily monitor your door and window status via the X-Sense app on your phone. You can set up the "Home", "Absent" and "Disabled" modes with automatic schedules to ensure that your home remains protected even in your absence

54,99 €
02

SENCKIT

WiFi Door Sensor Window Detector: Smart Window Contact Sensor, Wireless Magnetic Door Open Detector with Free Notification Alerts, Compatible with Alexa Google Assistant (4-Pack)

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9.6

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

WiFi door sensor with app notifications: Tuya door sensor uses Smart Life as an app supported by Alexa. Protect your home with the detection of open/closed doors. Receive app notifications for status change when open or close with a history log entry.
Voice control: By connecting the intelligent sensor to Alexa or Google Assistant for realized voice control. For example, if you have it on one door on the other side of the house, you can ask Alexa if the door is open instead of going to the other end of the house to find out.
Smart home automation: expand your smart home automation with smart door senso; set up your smart routines in the app; turn on your smart wall switches or lights automatically when the door is opened; turn off your air conditioning automatically when the window is opened; other smart devices such as smart bulb, smart plug, siren alarm can be synchronised as long as they are compatible with Smart Life app.
EASY INSTALLATION No tools, easy installation of the door sensor alarm with included 3M sticker, firm and durable. You can install the Alexa door sensor on front doors, garage doors, shot cabinets, security compartment, pet doors and more. The contact sensor is also a good option as a mailbox sensor. No hub required.
Battery Included & Low Power Warning: Door Opening Alarm Powered by 2 x AAA batteries (included). Enjoy over six months of battery life with this door alarm sensor. When the battery is empty, messages are automatically sent via the app to remind you to change the battery, do not worry about the battery running out.

39,99 €
03

Shelly

Shelly Blu Door/Window White | Bluetooth Smart Door and Window Sensor with Lux Sensor | Security | Immediate Response | iOS Android App | Gateway Required | Scene Activation

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9.5

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Secure door and remote control: Detects and reports openings, tilt angle and brightness – for reliable automation
Long battery life and easy to use: up to five years running time with a CR2032 button cell – response time below 100 ms
Easy to use: discreet, fits easily into any room or door or window frame
Control your devices from anywhere with the Shelly Smart Control app or voice assistants such as Alexa, Google Home and SmartThings – Bluetooth
A Shelly BLU Gateway or a Shelly Plus, Pro or Gen3 device (except sensors) is required to use this device with the Shelly Smart Control app or a smart home system.

15,45 €
Value for Money

04

Eve

Eve Door & Window (Matter), Smart Contact Sensor for Doors & Windows, Security, Activates Devices, Compatible with Alexa, Apple Home, Google Home, SmartThings, Requires Thread Border Router

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9.4

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Supports Matter - so you can seamlessly control your home via smartphones and voice assistants of all leading platforms, state-of-the-art thread technology for a robust smart home
Strict data protection: no Eve cloud, no registration and no tracking, local processes and communication without cloud dependency
Receive notifications to stay informed on the go/create automations to control other connected devices as soon as windows/doors are opened/closed (available on select platforms)
Eve Door & Window requires iOS/iPadOS 16.4 (or later) or Android 8.1 (or later) as well as a control centre of the platform you choose: Apple Home: Apple TV 4K (2nd Gen. / 3. Gen. 128 GB), HomePod (2nd Gen. ), HomePod mini / Samsung SmartThings : SmartThings Hub v3 / Amazon Alexa: Echo (4th Gen. ), Echo Hub, Echo Plus (2nd Gen. Echo Show 8 (3rd Gen. Echo Show 10 (3rd Gen. ), Echo Studio, eero 6 / 6+ / Pro 6 / Pro 6E / Max 7 / Google Home: Nest Hub (2nd Gen. ), Nest Hub Max, Nest Wifi, Nest Wifi Pro
Detect whether doors or windows are open or closed

32,99 €
05

Aqara

Aqara Door and Window Sensor, REQUIRES AQARA HUB, Zigbee Connection, Wireless Mini Contact Sensor for Alarm System and Smart Home Automation, Compatible with Apple HomeKit, Alexa, Works With IFTTT

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9.2

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Technologically advanced
Aqara home automation
Alarm on site and via the app
2 years battery life

13,59 €
06

Tapo

Tapo T110 Smart Contact Sensor for Window/Door Locking, Battery Life of More Than 1 Year, Instant App Notification, Must Be Used with Tapo Hub

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9.0

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Tapo T110 uses the same app as other Tapo devices. Create a safer, more comfortable and comfortable living space for yourself and your loved ones
Stop wondering if you have closed all your windows after you leave the house. Check your doors and windows at a glance with the Tapo app. [Must be used with Tapo H100 Hub]
LONG LASTING PERFORMANCE A battery life of more than 1 year provides long-lasting comfort. Receive notifications from the Tapo app when the batteries are low and need to be changed. *Based on our tests with 60 triggers per day, total 22,000 triggers. [1 x CR2032 battery is included in the package]
INSTANT PUSH NOTIFICATIONS Receive instant notifications on your phone when a door or window opens unexpectedly. The hub can sound a siren to warn of danger and deter intruders.
EASY INSTALLATION Place it wherever you need it with our tool-free installation. The distance between sensor and magnet (up to 15mm) fits most doors, windows and other fixtures.
Automatically turn on light: set your Smart Contact Sensor to turn on the light when you open your door. Can be used with tapo bulb, LED strip and WLAN socket.

13,99 €
07

Ring

Ring Alarm Door/Window Contact (2nd Gen)

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8.7

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

You will receive an instant notification on your mobile phone as soon as a window or door in your home is opened.
Ring Alarm base station required. Compatible with Ring alarm base stations of the 1st and 2nd generation.
Now with a more compact design as well as a thin removable magnet for easy installation, even when space is limited.
Mounts to door or window frames.
Easy installation, no tools required.
Alexa can send you a notification when the battery of your Ring alarm door/window contacts and motion detector weakens.
2 x 3V CR2032 Lithium Coin Cell Battery

25,99 €
08

SENCKIT

Tuya WiFi Door and Window Sensors, Smart Alarm with Free Notification App Control, Home Security Alarm System, No Hub Required, Compatible with Alexa, Google Home (1 Pack)

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8.6

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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[Product Quality and Service] Our products are 100% tested and ensure that all products are qualified products before leaving the factory, and offer two years warranty. If you have any questions about the alarm system, please contact our customer service at any time. We will solve them for you and make you satisfied.
[Compatible with Alexa and Google Home] No hub required and no fees. Pair our Smartlife app with either Alexa or Google Home and enjoy knowing the status of your door sensor without having to use your phone. Convenient for you to recognize your doors, windows, cabinets, drawers or anywhere you want to be notified when it is opened or closed. Translated with www.DeepL.com/Translator (free version)
Multiple use: install the alarm sensor not only on front doors or windows, but also on garage doors, spirit cabinets, entrance gates, lockers, pet doors and more.
Easy installation: no complicated installation tools are required. Please scroll down to find the video on the main page, how to add the sensor to WiFi and Alexa. Low power consumption door sensor, super long battery life avoid replacement frequently
By connecting WiFi and mobile phone, whether you are at home or on the go, you will immediately receive a notification on your phone when a door or window is opened or closed.

15,99 €
09

SwitchBot

SwitchBot Door Window Contact Sensor - Wireless Home Security System, Door and Window Switch Detector with Alarm, Add SwitchBot Hub to Make It Alexa Compatible (1 Pack)

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8.4

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

[You will receive a notification on your phone when a suspicious person enters the house while you are not at home. Alexa will trigger a voice alarm to scare away burglars and ensure the safety of your home.
[With the built-in motion sensor, the Contact Sensor detects whether you are leaving the house or coming home, and can trigger the various actions you have set in the "scene" in the SwitchBot app. When it detects that you are leaving the house, the devices will automatically turn off and when he detects that you are coming home, the devices will automatically turn on. (SwitchBot hub required).
[Part of SwitchBot Ecosystem] Connect the contact sensor to other SwitchBot products and set up a "scene" in the SwitchBot app. When windows are opened, the SwitchBot Bot is triggered to automatically turn off the air purifier.
The SwitchBot contact sensor can detect the opening/closing of doors and windows, ensuring the safety of the elderly, children and pets. With the built-in light sensor, the Switchbot Bot automatically turns on the light when someone moves and the environment gets dark. The magnets must be aligned with the bottom of the case, and the distance between the two components must be less than 30 mm.
Easy to install and place anywhere: Thanks to the small and wireless design with long battery life, you can install the contact sensor without tools and set up in seconds. Attach it to a medication box to track if the elderly are taking their medication, or place it on your pet's cage to know if your kitten has slipped away.

19,99 €
10

FIBARO

Fibaro FIBEFGDW-002-1 Door and window contact 2, White Z-Wave Plus

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8.1

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Z-Wave wireless technology
Fixed integrated temperature sensor
Easy to install with double sided tape on any surface
Battery operated contact sensor (reed) for doors and windows
Battery operated (1 x ER14250 1/2 AA); up to 2 years battery life

19,00 €