Product name: Sports Stopwatch Product size: 88*68*18mm/3.5*2.7*0.7in Functions: stopwatch, clock, week calendar, alarm clock, countdown, luminous, button can be set mute, shutdown Product material: ABS Product features: 1.Versatile Stopwatch: This stopwatch serves as a multi-functional timer, perfect for fitness, referee training, and other timing needs. It can be used for countdowns, intervals, and stopwatch functions, making it a versatile tool for various activities. 2.Convenient Shutdown and Silent Mode: This stopwatch comes with a shutdown function, allowing you to conserve battery life when not in use. Additionally, it has a silent mode option, ensuring that it won't disrupt your surroundings during training or when used as an alarm clock. 3.Night Light and Lanyard: Equipped with a night light feature, this stopwatch allows for easy visibility even in low-light conditions. It also comes with a lanyard, providing a convenient way to carry or wear the stopwatch during workouts or competitions. 4.Reliable and Accurate: This stopwatch is designed to provide accurate timing, ensuring precise results for fitness training or competitive events. Its reliability makes it a trusted tool for athletes, coache, referees, and trainers. 5.Alarm Clock Function: In addition to its timing capabilities, this stopwatch also functions as an alarm clock. You can set multiple alarms to keep track of your schedule or remind you of important tasks throughout the day. Precautions: 1. As we all know , the different computers display colors differently, the color of the actual item may vary slightly from the following images. 2. If you feel difficult to choose the size, you can feel free to contact me we will give you some suggestion, but it is for you reference only. Shipment includes: 1 pc Sports Stopwatch