Code point
U+2414
Glyph appearance depends on your fonts.
U+2414
SoU+2414 SYMBOL FOR DEVICE CONTROL FOUR is a Unicode 16.0.0 character in the Other Symbol category. It belongs to the Control Pictures block.
Choose the representation you need, then copy its value.
U+2414
9236
␔
␔
E2 90 94
2414
00002414
%E2%90%94
\u2414
\u2414
\u2414
\2414