wts guide. how much?

Detail options--> https://youtu.be/HiTpK9Uudvs



Detail options--> https://youtu.be/dp3DZLg8Hgk


This in standards.

I think this jewel option is good.
I'm curious about the price of this.

If you can buy it, how much?

Please let me know your ideas.

Thank you.