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Shenzhen SEI Technology Co., Ltd. SEI Presence and Light Sensor in Home Assistant
Motion & presence · Matter, Thread
Matter
Facts about this device
- Brand
- Shenzhen SEI Technology Co., Ltd.
- Model
- SEI Presence and Light Sensor
- Device type
- Motion & presence
- Radio
- Matter, Thread
How the device gets into Home Assistant
- official Matter – certified for Matter; paired through the Matter integration of Home Assistant. (Matter 1.4.2, certified on May 27, 2026, needs a Thread border router)
Sources: Zigbee2MQTT, ZHA quirks, Z-Wave JS, the Matter certification database, Shelly, ESPHome, Tasmota, Tuya Local and the issue trackers on GitHub. Reports are assigned to a device by the identifiers they contain; the sentences come from the integration pages, where a language model writes them from the titles.