Switch status on/off

Installation Home Assistant OS
1

Please help me how can show only switch status(on or off ) without on/off switch.

17

2

A switch is a Switch

Have try Looking at it as a sensor

3

this would be your choice:

4

I using a heater with a on/off switch. I am not sure about device class in temptate.

binary_sensor:
  - platform: template
    sensors:
      heating:
        device_class: heat
        value_template: "{{  is_state('light.dr_heater', 'on') }}"
      heat:
        device_class: temprature
        value_template: "{{ is_state('light.dr_heater', 'on') }}"