The BSN Mark 1 economy stopwatch is available in 8 solid colors and is most suitable for physical education classes or sports exercise. The device is equipped with an alarm, hour time functions, used for single events. A cumulative split is available, and the device runs for a twelve to twenty-four-hour system.
Pros
Available in 8 solid colors
Water-resistant
Easy to use
Cons
The battery hatch can’t be removed
