The Traumflieger slave flash is a simple solution of wireless flashing. You can put it onto the camera with the included bar, hold it in hand or place it where ever you want (upto a range of 7m in front of the camera).

The slave flash will be started from the flashlight of an integrated cameraflash or via an external compact-flash.

Please read this Traumflieger-Report (german language) with many hints and workshops