Code point
U+2540
Glyph appearance depends on your fonts.
U+2540
SoU+2540 BOX DRAWINGS UP HEAVY AND DOWN HORIZONTAL LIGHT is a Unicode 16.0.0 character in the Other Symbol category. It belongs to the Box Drawing block.
Choose the representation you need, then copy its value.
U+2540
9536
╀
╀
E2 95 80
2540
00002540
%E2%95%80
\u2540
\u2540
\u2540
\2540