Matter Survey

Community-driven database of Matter device capabilities

The Illuminance Measurement cluster (0x0400) is a Matter cluster that Reports ambient light levels in lux, used by light sensors.. It defines 5 attributes and is mandatory for 2 device types.

Illuminance Measurement 0x0400

Application Cluster
Measurement
Introduced in: Matter 1.0
Devices: 24
Reports ambient light levels in lux, used by light sensors.

Spec History

This cluster's ClusterRevision across the Matter releases it has shipped in. Click a version to inspect the cluster as it existed in that release.

Attributes 5
Code Name Type Flags
0x0000 MeasuredValue
0x0000..0 · default 0x0000 · nullable
int16u
0x0001 MinMeasuredValue
0x0001..0xFFFD · nullable
int16u
0x0002 MaxMeasuredValue
min 0x0002 · nullable
int16u
0x0003 Tolerance
max 0x0800
int16u Optional
0x0004 LightSensorType
0x00..0x01 · nullable
LightSensorTypeEnum Optional

Device Types Using This Cluster

Device types in the Matter spec that reference this cluster

Devices Implementing This Cluster

24 devices in the survey implement this cluster