| Name | DOWNWARDS TWO HEADED ARROW DOWN TWO HEADED ARROW |
| Unicode Version | 1.1 |
| Block（ブロック） | Arrows（矢印） |
| Plane（面） | Basic Multilingual Plane（基本多言語面） |
| Script | |
| Category | |
| Bidirectional Class | |
| Combining Class | |
| Character is Mirrored | |
| HTML Entity | ↡ ↡ |
| UTF-8 Encoding | ↡ e286a1 |
| UTF-16 Encoding | ↡ 21a1 |
| UTF-32 Encoding | ↡ 000021a1 |