2 stopwatch digital sports with 2 whistle, it comes with a rope to hang it around your neck or wrist, in case of missing it or bothering to hold it in your hand Multi-function: timing function, alarm clock function, clock function, master all rhythms in sports, to meet your various needs Waterproof design: This stopwatch is made of waterproof material, which is rain-proof, sweat-proof and splash-proof. It meets daily waterproof and can effectively increase the service life of the product. You can even carry some underwater sports, such as swimming, diving, surfing, etc. Easy to use: The stopwatch is made of the smallest key control button. Its main body has a hand-held grip. You can use it easily. It is equipped with a comfortable lanyard, which can be hung around the neck. There is a detachable clip on the whistle. Widely used: suitable for sports coaches, referees, athletes, football players, basketball, boxing, , swimming, exercise, sports games, training, runners, timing-including whistle. Colour: as shown Material: ABS+metal Package Contents: 2 x stopwatches 2 x whistles Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.