Code point
U+2904
Glyph appearance depends on your fonts.
U+2904
SmU+2904 LEFT RIGHT DOUBLE ARROW WITH VERTICAL STROKE is a Unicode 16.0.0 character in the Math Symbol category. It belongs to the Supplemental Arrows-B block.
Choose the representation you need, then copy its value.
U+2904
10500
⤄
⤄
⤄
E2 A4 84
2904
00002904
%E2%A4%84
\u2904
\u2904
\u2904
\2904