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Please feel free to contact us if you have any problems with our products or purchased orders. All emails will be processed within 24 hours, except on weekends. Features: Mute working status- This referee stopwatch is working mute during normal using time,give you silent environment when using. Accurate function- Can displays minutes, seconds. Measure time at an accuracy of one hundredth of a second. Multifunctional timer stopwatch- Lightweight, meet the requirements of most situations.Serving as stopwatch, clock, and alarm. Apply to many sports. Football, basketball, running, fitness, swimming, baseball, wrestling, taekwondo, and so on. The timer stopwatch is multifunctional, serving as stopwatch, clock, chronograph and alarm. Specifications: Material: ABS plastic + electronic Components Color: Black Packing size: 8X6X2cm Weight: 0.05kg With Button battery Product List: sport timer *1 Before any purchase pls check carefully about the detail information of the pruduct. #professionaltimer #Sport #MovementTimer #blackSportstimer #sportstimer #Outdoor #Multifunctionelectronictimer #ProfessionalMovementtimer #two-waystopwatch #Timers&Counters