High quality material and mute function - Made of ABS, very durable. Stopwatch with mute mode for silent operation; switch between silent and normal mode easily.60 memory slots - Offers 1/100 second accuracy, ideal for basic sports timing needs.Multifunctional stopwatch - Features stop, timer, alarm, clock, countdown, and metronome functions, suitable for sports trainers, referees, athletes, football players, runners, and more.Large screen and ergonomic design - Clear large display with big digits for easy reading; ergonomic shape ensures comfort and easy button operation.Stopwatch with included accessory - Comes with a high-quality whistle for added convenience.Material: ABS Color: Black Features: 1. Displays hours, minutes, seconds, day of the week, month, and date. 2. 60 memory slots with 1/100 second accuracy. 3. Maximum timing duration: 9 hours 59 minutes 59 seconds. 4. In clock mode, press and hold the mode button for three seconds to turn the device on or off. 5. In clock mode, press and hold the START/STOP button for three seconds to enable or disable sound. Note: All measurements are manually taken; please allow 1–3 cm variation. Due to differences in lighting and screen displays, slight color variations may occur. Actual product may vary slightly from the image.