mydlink Smart Door/Window Sensor
DCH-B112

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.

  • Open/close detection for your doors and windows 
  • Tamper detection for greater peace of mind
  • Get open/close alerts on your phone
  • Easy mounting on any flat surface on your door or window
  • Battery-powered for unrestricted placement – no power outlet needed  
  • Requires a mydlink Smart Home Hub or Amazon Echo Plus1
  • Triggers amazing automations with other mydlink cameras and smart plugs
  • Plays nice with the Google Assistant and Alexa
  • Sensor Bypass Button allows you to open doors and windows without triggering an alert
  • Intuitive setup using the free mydlink app
  • Connects using Zigbee technology
Works with the Google AssistantWorks with Alexa

  • Open/close detection for your doors and windows 
  • Tamper detection for greater peace of mind
  • Get open/close alerts on your phone
  • Easy mounting on any flat surface on your door or window
  • Battery-powered for unrestricted placement – no power outlet needed  
  • Requires a mydlink Smart Home Hub or Amazon Echo Plus1
  • Triggers amazing automations with other mydlink cameras and smart plugs
  • Plays nice with the Google Assistant and Alexa
  • Sensor Bypass Button allows you to open doors and windows without triggering an alert
  • Intuitive setup using the free mydlink app
  • Connects using Zigbee technology
Works with the Google AssistantWorks with Alexa

Specifications

Product Description Smart Door/Window Sensor
Device Interfaces Zigbee™ wireless, Bypass button, Reset button, Tamper key
Standard Zigbee™ 3.0, AES 128-bit encryption
Wireless Frequency Range Zigbee™ frequency: 2.4 GHz, Zigbee™ range: 40 m (line of sight), Proximity to secondary module detetion range: 20 mm
Antennas NA
Device Management mydlink™ app
Power CR2 800 mAh lithium battery x 1, Battery Life: 3 years (15 triggers per day), DC 3 V
Dimensions Main Sensor Unit: 67 x 20 x 20 mm (2.64 x 0.79 x 0.79 in), Magnetic Trigger: 46 x 12 x 20 mm (1.82 x 0.49 x 0.79 in)
Weight Main Sensor Unit (not including battery): 14 g (0.49 oz), Magnetic Trigger: 8.5 g (0.30 oz)
Certifications FCC, IC, CE, NCC, RCM, RoHS, Zigbee™ 3.0
DCH-B112


Why You Want It

Battery Powered 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.
      OR…
    4. The sensor triggers automations on other mydlink smart plugs and cameras in your home.

DCH-B112

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.

thief

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 and Alexa

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

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.

zigbee

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 >

  1. This device connects using Zigbee technology and requires a mydlink Hub or Amazon Echo Plus device to communicate with your home network. D-Link makes no guarantees of interoperability with devices from other manufacturers.
  2. Battery life based on 15 detections per day. An opening or closing is counted as one detection.
  3. Please visit mydlink.dlink.com for more information on mydlink products that support Smart Home functionality. Alexa service may not be available in all regions. IFTTT functionality requires a mydlink Smart Home hub.