CS-003 Wireless laser timer 

Multifunction:
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)

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