| For measuring altitude automatically with instruction manual. |
| Range 4000M, Minimum reading 50M (IMPORTED) |
| Range 5000M, Minimum reading 20 M (IMPROTED) |
| Range 4000 M, Minimum reading 10 M (IMPROTED) |
| Range 6000 M, Minimum reading 10 M (IMPORTED) |
| For measuring altitude automatically with instruction manual. |
| Range 4000M, Minimum reading 50M (IMPORTED) |
| Range 5000M, Minimum reading 20 M (IMPROTED) |
| Range 4000 M, Minimum reading 10 M (IMPROTED) |
| Range 6000 M, Minimum reading 10 M (IMPORTED) |