YouLess LS120

P1 Energy Monitor

Device type

Generic Iot

Max power

1.18 W

Insights

Used in 0.1% of installations

5 out of 4979 total installations

Learn how to opt-in

Use this profile

Powercalc can discover this model automatically (by config_entry). 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 YouLess → LS120.

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: youless
      model: LS120

Library sensor documentation

Device

Manufacturer: YouLess
Model ID: LS120
Device type: generic_iot
Name: P1 Energy Monitor

Power

Max power: 1.18 W

Measurement

Calculation strategy: fixed
Measure device: Zhurui PR10
Measure method: manual

Library

Created: 8/14/2026, 3:20:00 PM
Updated: 8/21/2026, 10:30:36 AM
Authors: Bram Gerritsen
Min version: v1.24.0
Discovery: Automatic, by config_entry

Github

YouLess LS120

P1 Energy Monitor

Device type

Generic Iot

Max power

1.18 W

Insights

Used in 0.1% of installations

5 out of 4979 total installations

Learn how to opt-in

Use this profile

Powercalc can discover this model automatically (by config_entry). 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 YouLess → LS120.

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: youless
      model: LS120

Library sensor documentation

Device

Manufacturer: YouLess
Model ID: LS120
Device type: generic_iot
Name: P1 Energy Monitor

Power

Max power: 1.18 W

Measurement

Calculation strategy: fixed
Measure device: Zhurui PR10
Measure method: manual

Library

Created: 8/14/2026, 3:20:00 PM
Updated: 8/21/2026, 10:30:36 AM
Authors: Bram Gerritsen
Min version: v1.24.0
Discovery: Automatic, by config_entry

YouLess LS120

P1 Energy Monitor

Generic Iot

1.18 W

Use this profile

Set up manually instead

Through the interface (recommended)

Or configure with YAML

Device

Power

Measurement

Library

YouLess LS120

P1 Energy Monitor

Generic Iot

1.18 W

Use this profile

Set up manually instead

Through the interface (recommended)

Or configure with YAML

Device

Power

Measurement

Library