Every unit in Warcraft III has 2 fields defining how far it can see : one for the day, and one for the night. These values are capped at 1800.
But these values aren't directly used. Instead, they can be classified in 15 different Sight Levels, defining how many cells away the unit can see.
Look at the table below, all pictures are clickable to expand.
| Level | Min val | Max val | Example |
|---|---|---|---|
| 0 | 0 | 63 | Close your eyes |
| 1 | 64 | 191 |  |
| 2 | 192 | 319 |  |
| 3 | 320 | 447 |  |
| 4 | 448 | 575 |  |
| 5 | 576 | 703 |  |
| 6 | 704 | 831 |  |
| 7 | 832 | 959 |  |
| 8 | 960 | 1087 |  |
| 9 | 1088 | 1215 |  |
| 10 | 1216 | 1343 |  |
| 11 | 1344 | 1471 |  |
| 12 | 1472 | 1599 |  |
| 13 | 1600 | 1727 |  |
| 14 | 1728 | 1855 |  |