- 產品品牌：瑞輝
- 產品型號：E4-0721
| Pixel:7X 21 Pitch：1.85mm |
| Size：Total Size(mm):83*41 |
| English and all European lauages， |
| Memory: 8 messages, up to 255 characters on each message |
| Supprot manually through direct input and USB input charcters |
| 3 keys to enter characters, 4 Brightness, 25%,50%,75%,100%；8 level speed, 6 different display mode; |
| Wide voltage work range, DC5V-DC 1.5 |
| Composing parts:LED Name bag-1PC, Button Battery 2 PCS,English Maual 1 PCS |
| Optional parts:CD, RS-232-C,USB Cable. |
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