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D-Link Smart Door/Window Sensor PN DCH-B112

Web ID: 27355

The mydlink Smart Door/Window Sensor is a discreet contact sensor that detects when a door or window is opened or closed, giving you a trigger for automating your smart home. Works with the Google Assistant, Alexa and IFTTT. Requires a mydlink Smart Home DIY Product with a Built-in Smart Home Hub.
Manufacturer Warranty: 1 Year
Manufacturer PN: DCH-B112
GTIN: 790069450563
Manufacturer Website

Battery Powered

Up to 3-year battery life2

Smart Home Compatible

Trigger reactions from other mydlink devices, or from Alexa or IFTTT3

Receive Alerts from Anywhere

Get an alert on your phone when an open or close is triggered

Sensor Bypass Button

Push the button to open without triggering an alert

Be at Home, Even When You’re Out

No more wondering if you left your door or windows open.

The mydlink Smart Door/Window Sensor lets you check on them from anywhere with your phone. It also sends an alert to you whenever a door or window is opened or when someone tampers with the sensor.

Perfect for knowing straightaway when any of your home’s entry points has been compromised. 

DCH-B112 How it work

How it Works


    1. Mount the mydlink Smart Door/Window Sensor components on any flat surface where the window or door separates. 
    2. The sensors will detect when they are separated. 
    3. An alert will be sent to your mobile device.
    4. The sensor triggers automations on other mydlink smart plugs and cameras in your home.



One-Push Sensor Bypass

Built-in sensor bypass button lets you open your doors and windows without activating the alert. Now you can clean your windows or open your medicine cabinet without triggering a bunch of notifications on your phone.


Built-in Tamper Detection

Know immediately when someone tries to pry your mydlink Smart Door/Window Sensor away from your door or window.

Supports the Google Assistant, Alexa, and IFTTT

Supports the Google Assistant, Alexa, and IFTTT

Easily integrates with Amazon Echo’s Alexa or the Google Assistant for convenient hands-free voice control.

Take it to the next level with IFTTT recipes to automate with other Smart Home compatible devices. Save time, and enjoy a safer, more comfortable home.


Everything Works Together with mydlink

With mydlink, a super-responsive Smart Home is now within reach. Feel the difference when you let mydlink connect and unify your Smart Home devices.

Trigger Camera Recording for Break-Ins

Use the mydlink Smart Door/Window Sensor to trigger recording on your mydlink Full HD Wi-Fi Camera with Built-in Smart Home Hub whenever a window or door opens while you’re away from home.


Turn the Lights on to Deter Burglars

Or pair the Smart Door/Window Sensor with the mydlink Smart Plug to turn your lights on automatically when there’s a break-in.

smart home

Your Home, Only Smarter


You deserve a Smart Home that makes every day feel special. It's easy with the new mydlink app. 

Learn More >


Get More Control With mydlink

The new mydlink app is Smarter, Simpler, and More Compatible.
Manage your IP cameras, Smart Plugs, and Sensors, all in one place, right from your Smartphone or Tablet.
Learn More 

 mydlink app


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