- Mode 1: Electronic hair controller, double track timing Mode 2: Free departure, precise timing of single person from start to finish
- Effective laser distance: 0-8m , Wireless communication distance: 500m
- Rated voltage and current: 5V 2A , Please use a qualified power bank（The device needs three power banks）
- Please avoid using it in rainy days , Do not look directly at the laser emitting head
- Please view the demo video：https://youtu.be/bUQ4UWqE5Os