Professional Digital Stopwatch Timer Multifuction Portable Outdoor Sports Running Training Timer Chronograph Stop Watch

Battery Included : No High-concerned chemical : None Theory : Digital Model Number : Stopwatch Origin : Mainland China Certification : NONE Use : Multifunctional Display : 3 rows display of 10/30/60/100 tracks Material : ABS plastic shell Battery : built-in CR2032 button battery Display size : 35 x 23.5mm/1.38 x 0.93" Product size : 75 x 62 x 21mm/2.95 x 2.44 x 0.83" Gross weight : 70