Okay.
The scroll plus push. So this is something that has been recently developed by the company , um  in the last decade , so not too recent. And L_C_D_s , we can have L_C_D_s. So these two are recent and and this is q quite old.
Mm-hmm.
The various electronic options are um uh  so th this concerns firs first of all the the chips I I showed you at uh  so there's there's a chip behind this one , right ? The P_C_B_ is uh inexpensive , so we can put put in uh whatever we want , but the various integrated circuit options are , we have either a simple one