FUNCTIONS: Digital stopwatch uses single channel memory, 1/100th of a second timer, day of the week, time display, alarm clock. MATERIAL: PS, which is strong and durable, suitable for racing, refereeing, horse racing, racing, swimming, badminton, etc. BATTERY: Built in A Button Battery Model AG13 Capacity 140mAh Shipped with Built in Battery. HANDHELD SPORT WATCH: It is ergonomically designed for your hands, with a decent size and comfortable grip. LARGE DISPLAY: It adopts large LCD digital disp
