| Product Name: | Track and field aid equipment stopwatch | Brand: | Silver Arrow Brand |
| Model: | YJ-MB1 | Place Of Origin: | China |
Custom attributes:
- The results of 10 athletes can be recorded at the same time
- The results of 30 athletes can be recorded at the same time
- The results of 50 athletes can be recorded at the same time
Specification:
- Track and field auxiliaries are used to Record the achievements of the runners