1.Single trigger timing mode (for example: 40-yard dash).
2.Double single lap competition mode (for example:
100-meter starting timing).
3.Double multi-lap competition mode (for example: multi-lap start timing) adjustable up to 30 laps.
Specification:
4-digit LED display;
200 meters wireless communication distance;
Without built-in battery, need to use DC 5v 2A
power supply (power bank USB interface output); Accurate to 0.01 second (up to 0.001 second);
Demo video: https://youtu.be/9MmgstT5Gjs