A dermatological skin treatment device is provided. Also included is a touchless installation method comprising initiating network connectivity for a base transceiver station without manual operations, and initiating start-up configuration for the BTS without manual operations. It is proposed that the common rail injection system has an adjusting means for adjusting the return line pressure pdrain. The number of data bits stored in memory cells connected to the at least one word line included in the upper word line group is different from the number of data bits stored in memory cells connected to the at least one other word line included in the lower word line group. In an unlocked position, the lock is uncoupled from the locking pin to permit sliding of the locking pin. The invention further provides transgenic cells and non-human organisms comprising human NEDD-1 nucleic acids, and transgenic cells and non-human organisms with targeted disruption of the endogenous orthologue of the human NEDD-1 gene.