Battery Powered Wireless Laser Timer For Sprints Race Clock Running Stopwatch Electronic Bike Speed Training Skating Track Field Timer Motorcycle

BATTERY POWERED:Charge for 4 hrs and use for 10 hrs.No need to connect a power bank,easy to use. HIGH QUALITY:Five-digit display,accurate to 0.001 seconds,The timing error is less than 0.001s in one hour. PORTABLE:Toolbox packaging,waterproof and shockproof,easy to organize and carry. Timerx1,reflectorx1,standx2,charger and cablex1,user manualx1. APPLICATION:Suitable for timing of starting and ending points in the same position.Great coach equipment for sprints,running,race,40/60 yard dash,football,barrel race,track and field, training and so on..syi