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Home Assistant TestFlight
WiZ

WiZ RGBW Tunable bulb (firmware 1.38.0)

Lights · Lighting

Not workingLocal

1 report: 1 says it doesn’t work.

Reported with 1 integration: WiZ.

What people report

IntegrationIn Home AssistantIn Apple HomeWhat they saidSource
WiZNot working Locallight.turn_off rejected with Invalid params; turn on and brightness work
Saved copy
The problem Calling light.turn_off (via the dashboard toggle or the light.turn_off action) on a WiZ RGBW Tunable bulb running firmware 1.38.0 fails, with the bulb rejecting the command. Turning the light on works fine; brightness also appears to work. Only the off command fails. The bulb behaves normally when controlled via the official WiZ app. This suggests the app is using a different (likely cloud-based) control path than the local UDP protocol pywizlight uses, and that the bulb's local command handling has changed in this firmware version in a way that's no longer compatible with the …

Excerpt saved from GitHub on 2026-10-23.

Issue #183004 · 2026-09

Each row is one report from a GitHub thread, an integration’s docs, or r/homeassistant. Check the date and the linked source before you buy.

In ReReHome

Once Home Assistant’s HomeKit Bridge shares it, this device reaches Apple Home as a HomeKit accessory behind your Home Assistant bridge, so ReReHome shows and controls it like any other.

Identifiers

BrandWiZ
ModelRGBW Tunable
CategoryLights