Double-sided button with a tough function

A push-button comprising:

• a first switch contact and a second switch contact which are arranged spaced apart and parallel to each other,
• wherein the first switch contact is designed for approaching the second switch contact until the first switch contact touches the latter and for establishing an electrical line connection to the second switch contact when force is applied,
• wherein:
• the push-button comprises a third switch contact which is arranged spaced apart from the second switch contact and in parallel on a side opposite to the first switch contact,
• wherein the third switch contact is designed for approaching the second switch contact until the third switch contact touches the latter and for establishing an electrical line connection to the second switch contact when force is applied,
• and the push-button comprises an evaluation unit which is designed for additionally operating the first and/or the third switch contact(s) as a capacitive or inductive touch sensor.