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SEISensors

SEI Presence and Light Sensor (MOT129S)

CSA model/software recordCertification record

Matter certified: Yes. CSA certificate CSA263B2MAT53694-24, certified May 27, 2026, for model MOT129S with software 1.1.2.5. We have no verified store link for it yet. Certificate data: CSA ledger read .

Works with
Matter certified as an occupancy 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

Updated : the last change to this page’s certification, platform or store facts.

Not sold by a US store we can verify. Similar CSA-certified motion and presence sensors you can buy:

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Why these: we have no US store link we can verify for this exact model. Each is a different product, certified by the CSA as the same device type, occupancy sensor, with a CSA certificate for its own model and a store link we checked. Models on the same network (Thread) come first; the order is not a ranking.

Certification record

A Matter certification on file for this model. There is no product photo or store link for it yet.

Certificate ID
CSA263B2MAT53694-24
Certified
May 27, 2026
Maker
SEI
Device type
Sensors
Connection
Thread, Bluetooth, Matter
Certified model
MOT129S
Firmware
1.1.2.5

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 →

SEI Presence and Light Sensor (MOT129S) is a smart sensor. It is listed as a Thread device, so Matter setup needs a Thread border router such as a HomePod mini or a Google Nest Hub (2nd gen). It is CSA Matter certified (May 27, 2026), 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.

ThreadBluetoothMatter

Ecosystem compatibility

Matter

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