Description
mydlink Smart DIY Motion Sensor
DCH-B122
The mydlink Smart DIY Motion Sensor makes your Smart Home react to anything or anyone that moves. Pair it with the mydlink Smart Full HD Wi-Fi Camera and mydlink Smart Plugs to trigger amazing automations around your home. Works with the Google Assistant, Alexa and IFTTT.
- Get motion detection alerts on your phone
- Tamper detection for greater peace of mind
- Triggers amazing automations with other mydlink Cameras and Smart Plugs
- Easily mounts on any wall with adhesive strip
- Battery-powered for unrestricted placement – no power outlet needed
- Requires a mydlink Smart Home Hub or Amazon Echo Plus1
- Plays nice with Alexa
- Intuitive setup using the free mydlink app
- Connects using Zigbee™ technology1


Why You Want It
Up to 2-year battery life2
Trigger reactions from other mydlink devices, or from Alexa or IFTTT3
Get an alert on your phone when motion is detected
Adhesive-based mounting
Be at Home, Even When You’re Out
When something’s moving around your home, you’ll know instantly.
The mydlink Smart DIY Motion Sensor sends an alert to your phone whenever it detects movement, so you can take action at once. It also lets you know when someone tampers with the sensor.
Perfect for knowing straightaway when someone’s messing around with your home security.
How it Works
- Mount the mydlink Smart DIY Motion Sensor on any wall or flat surface.
- PIR motion sensor detects movement up to 5 meters away.
- The Motion Sensor alerts you on your mobile device.
OR… - Motion Sensor triggers automations on other mydlink Smart Plugs and Cameras in your home.


Supports Alexa
Easily integrates with Amazon Echo’s Alexa 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 DIY Motion Sensor to trigger recording on your mydlink Full HD Wi-Fi Camera with Built-in Smart Home Hub. Catch anyone or anything that moves in your home while you’re away.

Turn the Lights On Automatically
Pair the mydlink Smart DIY Motion Sensor with the mydlink Smart Plug to turn your lights on automatically when you enter a room.

Built-in Tamper Detection
Know immediately when someone tries to pry your mydlink Smart DIY Motion Sensor away from your wall.

Your Home, Only Smarter
You deserve a Smart Home that makes every day extra special. It’s easy with the new mydlink app.
Get More Control with mydlink
The mydlink app makes looking after your home easier than ever. Manage, control, and set automations for all your mydlink cameras, smart plugs, and sensors anytime, anywhere.
- 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 products from other manufacturers.
- Battery life based on 15 detections per day.
- 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.