Introduction:
1. Three independent stopwatch displays to calculate overlapping time.
2. Largest time range: 100 hours.
3. Battery life indicator function.
4. Can view records during/after measurement.
Technology parameters:
1. Working time: 100 hours
2. Accuracy: ± 0.0012%
3. Water-proof: 50m
4. Dimension: 71.5×60×21mm
5. Weight: 61g