Code point
U+2569
Glyph appearance depends on your fonts.
U+2569
SoU+2569 BOX DRAWINGS DOUBLE UP AND HORIZONTAL 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+2569
9577
╩
╩
╩
E2 95 A9
2569
00002569
%E2%95%A9
\u2569
\u2569
\u2569
\2569