the energy source , uh I've got a lot of possibilities for that too. Um , uh the basic battery , which I thi prefer because of its uh its non uh non-depending of of of uh um  Uh here you have to have a hand uh  yeah , kinetic uh energy. Also in uh this one , like in the watches , but a remote control can lie on a table for a day , and then you push uh a button and  so you don't have to uh walk with it all the all the time. Mm , solar cells are also uh a bit weird for uh remote controls.
Um uh also the case material , uh I think that plastic is the is the best with rubber , because uh wood or titanium would also be a bit weird.
Oh titanium is probably trendy , I think. .
That's true , I guess. Yeah.