Code point
U+2B36
Glyph appearance depends on your fonts.
U+2B36
SmU+2B36 LEFTWARDS TWO-HEADED ARROW FROM BAR is a Unicode 16.0.0 character in the Math Symbol category. It belongs to the Miscellaneous Symbols and Arrows block.
Choose the representation you need, then copy its value.
U+2B36
11062
⬶
⬶
E2 AC B6
2B36
00002B36
%E2%AC%B6
\u2B36
\u2B36
\u2B36
\2B36