Colour-change function managed using dedicated controls.

Colour-change function managed using dedicated controls.

Colour-change function managed using dedicated controls.

Colour-change function managed using dedicated controls.

Colour-change function managed using dedicated controls.

Colour-change function managed using dedicated controls.

Colour-change function managed using dedicated controls.

Colour-change function managed using dedicated controls.

Colour-change function managed using dedicated controls.

Colour-change function managed using dedicated controls.