The family Elateridae is commonly called Click Beetles or Snapping Beetles.
Their body can produce a "click" which can bounce the beetle into the air.
Clicking is mainly used to avoid predation, although it is also useful when the beetle is on its back and needs to right itself.

1st, 2nd & 3rd photo: In my yard, Hilversum, The Netherlands, 27 July 2019
4th & 5th photo: Zanderij Crailo, Hilversum, The Netherlands, 22 June 2013