- Works with
- Matter certified as a contact sensor, so it can work with Matter apps such as Apple Home, Google Home, Alexa and SmartThings when the app supports its device type; supported features vary by app. The maker hasn’t named platforms on a page we hold.
- Network & hub
- Thread; needs a Thread border router as well as your platform’s Matter controller
Certification record
A Matter certification on file for this model. There is no product photo or store link for it yet.
- Certificate ID
- CSA259E8MAT47418-24
- Maker
- What’s Matter
- Certificate holder
- What’s Matter Inc.
- Device type
- Sensors
- Connection
- Thread
No US store link yet.
We link to a store only after its listing matches this exact model, region and package.
Shop sensors you can buy now →Matter 1.4 certificate
Its certificate, CSA259E8MAT47418-24, is for Matter 1.4, certified Oct 2, 2025. The Matter version is the specification version on the certificate's ledger record.
Source: CSA Distributed Compliance Ledger, read Oct 19, 2026.
What Matter 1.4 added, and which devices use it →What’s Matter Window and Door Sensor is a door and window contact sensor from What’s Matter that detects open and closed status. It connects over Thread, so Matter setup needs a Thread border router. It is CSA Matter certified (certificate CSA259E8MAT47418-24).
Ecosystem compatibility
Sensors you can buy
Products in this category with a photo and a verified store link.
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