Hifree T21

Bedside RGB Lamp

Device type

Light

Max power

8.05 W

Standby power

0.45 W

View discovery and setup instructions for this profile.

Powercalc can discover this model automatically (by entity). Look for a discovery prompt in Home Assistant and accept it to create the sensors. About discovery

Through the interface (recommended)

Start the Powercalc config flow, choose Virtual power (library), and pick Hifree → T21.

Open in Home Assistant

Add this to your configuration.yaml, replacing light.my_light with your own entity.

powercalc:
  sensors:
    - entity_id: light.my_light
      manufacturer: hifree
      model: T21

Library sensor documentation

Community usage

7 opted-in installations

0.13% of 5,314 reporting installationsOpt in to analytics

Device

Manufacturer: Hifree
Color modes: Color temperatureHue and saturation
Aliases: 8jz6rasdn7xct1oq
Socket: integrated
Form factor: Fixture
Connectivity: Wi-Fi
Barcode: 734598418113

Power

Power range: 0.35 – 8.05 W
Rated power: 7 W claimed
Light output: 400 lm · 50 lm/W

Measurement

Calculation strategy: LUT
Measure device: Shelly Plug S
Measure method: Script
Measure description: Measured with utils/measure script
LUT curve quality: 96.5 · Excellent
Curve smoothness on a 0–100 scale. This is not an accuracy percentage.
How this score works
Mains voltage: 230 V
Measurements updated: Aug 30, 2026, 2:52 AM UTC
Measure settings: SAMPLE_COUNT: 2SLEEP_TIME: 3VERSION: v1.20.2:docker

Library

Created: Jan 10, 2026, 11:41 PM UTC
Updated: Sep 13, 2026, 9:41 AM UTC
Contributors: Pasquale Cuorpo
Discovery: Automatic, by entity

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Hifree T21

Bedside RGB Lamp

Set up manually instead

Through the interface (recommended)

Or configure with YAML

Device

Power

Measurement

Library

Device

Power

Measurement

Library

Bedside RGB Lamp

Set up manually instead

Through the interface .css-bxmwoh{margin:0;font-family:"Roboto","Helvetica","Arial",sans-serif;font-weight:400;font-size:0.875rem;line-height:1.43;letter-spacing:0.01071em;}(recommended)

Or configure with YAML

Or configure with YAML

Device

Power

Measurement

Library

Device

Power

Measurement

Library

Through the interface (recommended)