Okay so I think I will do my presentation on the components concept so can you please uh open uh  I'm participant two.
This
Components design.
Okay so uh the first thing uh I have done is to to made a review together with the uh manufactural uh department and have which components was uh available to build a remote control. So for energy sources we have we have to choose between the solar energy , hand dynamo and uh kinetic um well uh kinetic uh technique  to to store the energy.