The Aqara Aqara Smart Thermostat W400 is a Matter device (Vendor 0x115F, Product 0x480E) with 3 endpoints.

Aqara Smart Thermostat W400

(60%)
Vendor ID: 4447
Product ID: 18446
Seen: 36 times
Controls devices directly Via the Binding cluster, this device can directly control other Matter devices — for example a switch driving a light — without routing through a hub. Ethernet

What This Device Can Do

Sensors
13% of features
Sensors
💧 Humidity sensor v1.0
🌡️ Temperature sensor v1.0
👁️ Occupancy/motion sensor v1.1
☀️ Light level sensor v1.0
🚪 Open/close sensor v1.0
📊 Pressure sensor v1.0
🌿 Air quality sensor v1.2
Info & Monitoring
🔋 Battery status v1.0

Setup & Reset Info

Setup: Power Cycle Reset: Standard

Technical Details For developers

Device Compatibility

Can provide data to: These devices have client clusters that can read from or control this device's server clusters

Spec Compliance & Feature Analysis

Comparing this device's clusters against Matter specification requirements. Shows what's implemented, what's missing, and bonus features. Note: Legacy clusters (e.g., Scenes) count as compliant when replaced by newer equivalents (Scenes Management).

Humidity Sensor Matter 1.0 Compliant
Feature Score:
60%
Extra (Beyond Spec) 1
2/2 required | 0/0 optional
Thermostat Matter 1.0 Compliant
Feature Score:
50%
2/2 required | 0/7 optional

Endpoints by Version

Hardware: 0

SW: 1.2.9 Latest Seen 1 endpoint

Endpoint 0

Has Binding Cluster
Server Clusters (hover for details)✓ Rich data
Descriptor
Descriptor
Features
✗ TagList
Attributes (9)
DeviceTypeList ServerList ClientList PartsList

✓ Actual device capabilities from telemetry

Binding
Binding
Attributes (6)
Binding

✓ Actual device capabilities from telemetry

Access Control
Access Control
Features
✗ Extension ✗ ManagedDevice ✗ Auxiliary
Attributes (10)
ACL Extension SubjectsPerAccessControlEntry TargetsPerAccessControlEntry AccessControlEntriesPerFabric

✓ Actual device capabilities from telemetry

Basic Information
Basic Information
Attributes (26)
DataModelRevision VendorName VendorID ProductName ProductID NodeLabel Location HardwareVersion HardwareVersionString SoftwareVersion +11 more

✓ Actual device capabilities from telemetry

General Commissioning
General Commissioning
Features
✗ TermsAndConditions ✗ NetworkRecovery
Accepts Commands (3)
ArmFailSafe SetRegulatoryConfig CommissioningComplete
Generates Commands (3)
ArmFailSafeResponse SetRegulatoryConfigResponse CommissioningCompleteResponse
Attributes (10)
Breadcrumb BasicCommissioningInfo RegulatoryConfig LocationCapability SupportsConcurrentConnection

✓ Actual device capabilities from telemetry

General Diagnostics
General Diagnostics
Features
✓ DataModelTest
Accepts Commands (2)
TestEventTrigger TimeSnapshot
Generates Commands (1)
TimeSnapshotResponse
Attributes (9)
NetworkInterfaces RebootCount UpTime TestEventTriggersEnabled

✓ Actual device capabilities from telemetry

Ethernet Network Diagnostics
Ethernet Network Diagnostics
Features
✓ PacketCounts ✓ ErrorCounts
Accepts Commands (1)
ResetCounts
Attributes (14)
PHYRate FullDuplex PacketRxCount PacketTxCount TxErrCount CollisionCount OverrunCount CarrierDetect TimeSinceReset

✓ Actual device capabilities from telemetry

Administrator Commissioning
Administrator Commissioning
Features
✗ Basic
Accepts Commands (3)
OpenCommissioningWindow OpenBasicCommissioningWindow RevokeCommissioning
Attributes (8)
WindowStatus AdminFabricIndex AdminVendorId

✓ Actual device capabilities from telemetry

Operational Credentials
Operational Credentials
Features
✗ PQCDeviceAttestation
Accepts Commands (8)
AttestationRequest CertificateChainRequest CSRRequest AddNOC UpdateNOC UpdateFabricLabel RemoveFabric AddTrustedRootCertificate
Generates Commands (4)
AttestationResponse CertificateChainResponse CSRResponse NOCResponse
Attributes (11)
NOCs Fabrics SupportedFabrics CommissionedFabrics TrustedRootCertificates CurrentFabricIndex

✓ Actual device capabilities from telemetry

Group Key Management
Group Key Management
Features
✗ CacheAndSync ✗ Groupcast
Accepts Commands (4)
KeySetWrite KeySetRead KeySetRemove KeySetReadAllIndices
Generates Commands (2)
KeySetReadResponse KeySetReadAllIndicesResponse
Attributes (9)
GroupKeyMap GroupTable MaxGroupsPerFabric MaxGroupKeysPerFabric

✓ Actual device capabilities from telemetry

Hardware: 1

SW: 1.2.9 Latest Seen 1 endpoint

Endpoint 1

Server Clusters (hover for details)✓ Rich data
Identify
Identify
Accepts Commands (2)
Identify TriggerEffect
Attributes (7)
IdentifyTime IdentifyType

✓ Actual device capabilities from telemetry

Descriptor
Descriptor
Features
✗ TagList
Attributes (9)
DeviceTypeList ServerList ClientList PartsList

✓ Actual device capabilities from telemetry

Relative Humidity Measurement
Relative Humidity Measurement
Attributes (8)
MeasuredValue MinMeasuredValue MaxMeasuredValue

✓ Actual device capabilities from telemetry

Hardware: 2

SW: 1.2.9 Latest Seen 2 endpoints

Endpoint 1

Server Clusters (hover for details)✓ Rich data
Identify
Identify
Accepts Commands (2)
Identify TriggerEffect
Attributes (7)
IdentifyTime IdentifyType

✓ Actual device capabilities from telemetry

Descriptor
Descriptor
Features
✗ TagList
Attributes (9)
DeviceTypeList ServerList ClientList PartsList

✓ Actual device capabilities from telemetry

Relative Humidity Measurement
Relative Humidity Measurement
Attributes (8)
MeasuredValue MinMeasuredValue MaxMeasuredValue

✓ Actual device capabilities from telemetry

Endpoint 2

Server Clusters (hover for details)✓ Rich data
Identify
Identify
Accepts Commands (2)
Identify TriggerEffect
Attributes (7)
IdentifyTime IdentifyType

✓ Actual device capabilities from telemetry

Descriptor
Descriptor
Features
✗ TagList
Attributes (9)
DeviceTypeList ServerList ClientList PartsList

✓ Actual device capabilities from telemetry

Thermostat
Thermostat
Features
✓ Heating ✓ Cooling ✗ Occupancy ✗ ScheduleConfiguration ✗ Setback ✗ AutoMode ✗ LocalTemperatureNotExposed ✗ MatterScheduleConfiguration ✗ Presets ✗ Events ✗ ThermostatSuggestions ✗ ThermostatSensors
Accepts Commands (1)
SetpointRaiseLower
Attributes (18)
LocalTemperature OccupiedHeatingSetpoint OccupiedCoolingSetpoint AbsMinHeatSetpointLimit AbsMaxHeatSetpointLimit AbsMinCoolSetpointLimit AbsMaxCoolSetpointLimit MinHeatSetpointLimit MaxHeatSetpointLimit MinCoolSetpointLimit +3 more

✓ Actual device capabilities from telemetry

Known Versions

Hardware Version Software Version Count First Seen Last Seen
1 1.2.9 36 2026-08-15 11:01:02 2026-09-14 09:05:16