I used these things for this lightbox:

4pcs m3 x 8mm socket head screws

USB-C connector:

[https://www.aliexpress.com/item/1005006358938792.html?spm=a2g0o.order_list.order_list_main.85.5ec01802uDdNkM](https://www.aliexpress.com/item/1005006358938792.html?spm=a2g0o.order_list.order_list_main.85.5ec01802uDdNkM)

10mm X 15mm rocker switch:

[https://www.aliexpress.com/item/1005003112467008.html?spm=a2g0o.order_list.order_list_main.95.5ec01802uDdNkM](https://www.aliexpress.com/item/1005003112467008.html?spm=a2g0o.order_list.order_list_main.95.5ec01802uDdNkM)

5V 8mm LED COB Strip:

[https://www.aliexpress.com/item/1005006447663945.html?spm=a2g0o.order_list.order_list_main.90.5ec01802uDdNkM](https://www.aliexpress.com/item/1005006447663945.html?spm=a2g0o.order_list.order_list_main.90.5ec01802uDdNkM)

If the cutout on the back panel is too small for the USB-C connector, use a needle file to make it wider.