Model A4 is a LED display 130 cm wide. In its standard version, the device has a built-in clock, a calendar and an electronic thermometer. The device of such dimensions has a very wide range of applications. Users appreciate the fact that it is handy and easy to operate.
| Width | 130 cm |
| Height | 16 cm |
| Thickness | 3 cm |
| Number of letters | 9-12 |
| Resolution | 80x8 (640) px |
| Weight | 3,4 kg |
| Power consumption | 13W |
| Control | keyboard USB |
| Available LED colours |  |
