Sports Training Kit: the package includes 1 piece of stopwatch timer, suitable for your sports competitions or daily training; You can also share them with your friends Hard Wearing Material: the digital sport stopwatch timer is mainly made of ABS material, firm and sturdy, not easy to break or deform; The lifeguard whistle is mainly made of stainless steel material, strong and stable, not easy to bend or fade, can be applied for a long time Large Screen Design: the sports stopwatch adopts the large screen design, which can display hour, minute, second and more, letting you see the numbers on the stopwatch clearly, also designed with a big button, convenient to operate, easy to start or pause Practical to Use: the referee digital stopwatch timer is silent when working, not easy to produce noise, can be applied to record your exercise time and rest time when exercising in the gym; The stainless steel whistle can make a loud sound, practical and convenient Nice for Sports Activities: the combination of the digital kitchen stopwatch timer and stainless steel whistle are ideal for referees to use in swimming, running and football training, you can also use them for children's training in the gym