The PULIVIA Sports Stopwatch is a professional equipment, fits for athletes, runners, coach, referee, adults, kids, and suits for various sports such as running, swimming and football training etc.The stopwatch has a good design, and you will feel comfortable and flexible in your hands. It comes with a 47in nylon lanyard (neck strap) which is convenient to carry for coaches and referees. It just can be Water resistant with dripping, splashing and sweat etc. So it cannot expose to the rain and completely into water, such as swimming, diving.There are separate start-stop and reset buttons, it is durable, compact and easy to use. This is the perfect stopwatch for any Phys-Ed teacher or coach.The stopwatch also has these function: calendar clock and alarm. They can meet different needs and manage time better in daily life.Main Features:1. 1/100-Second Accuracy2. Lap/Split stopwatch3. Date/Clock/AlarmPackage Include:1 X PULIVIA Digital Stopwatch1 X Black Lanyard1 X User Manual* Pay Attention *The screen protector is attached to the watch, and you can tear it off as your need.Please DONOT use the stopwatch in water.Please contact us via amazon email, we offer 7days/24hrs Customer Service.