Stopwatch from BOECO Germany. Key benefits of use: Time Elapsed Measurement: Used in sports to measure running or swimming speed, and in laboratories to measure the duration of chemical reactions or scientific experiments. Calculating "Lap Time": The (Split/Reset) feature allows you to record the time of a specific lap while the total count continues, which is very useful for coaches and athletes. Industrial Uses: Used in factories to measure the time it takes for machines to produce a specific part to improve efficiency. Features of this specific model: Multifunction: Often includes an alarm, date, and regular clock in addition to the stopwatch. Resistant to harsh conditions: As written on the box, it is Shakeproof, Waterproof, and Skidproof, making it ideal for field work or in swimming pools and stadiums. German Precision: The BOECO brand is known for its laboratory equipment, so its precision in measuring fractions of a second is very high. There are 10 pieces available. Features: Water Resistant Movement Type: Digital Material: Plastic