A conductive layer includes a first portion that forms a Schottky region with an underlying first region having a first conductivity type. The adjusting apparatus is provided with an irradiation device 3 which irradiates an upper focal point p of a center reflector 30 and a heliostat 20 with laser beams L1 and L2, respectively. The product information is accessible by the customer through a Bluetooth low energy capable mobile device with a micro store booth app thereon to enable the customer to purchase the product. The vibration damper further includes an arrangement configured to adjust the point of application.