Start the Powercalc config flow, choose Virtual power (library), and pick Ecodim → ECO-DIM.07 Zigbee Basic.
Add this to your configuration.yaml, replacing light.my_light with your own entity.
powercalc:
sensors:
- entity_id: light.my_light
manufacturer: ecodim
model: ECO-DIM.07 Zigbee Basic