| Model | K1-CDP-VFD | |
| Type | VFD (Vacuum Fluorescent Display) | |
| Display Format | 20 × 2 characters | |
| Display Color | Green | |
| Brightness | 700 cd/m² | |
| Character Support | Multi-language characters | |
| Power Supply | DC 5V (±5%) | |
| Power Consumption | ≤ 2.5W | |
| Communication | RS232 | |
| Baud Rate | 9600 (Up to 115200 bps) | |
| Protocol | ESC/POS compatible (Plug & Play, no driver require | |
| Service Life | 30,000 hours | |
| Material | Plastic casing | |
| Dimensions | 200(W) × 78(H) × 22(D) mm |
