Usage Tips:Compact Keychain Design: This mini digital stopwatch is perfect for timing during workouts, games, or daily tasks. Easily attach it to your keys or bag with its portable design, ensuring you always have a timer handy when you need it.Precision Countdown Timer: Ideal for managing time effectively, use this stopwatch for cooking, exercise sessions, or studying. It features a loud beep to alert you when the set time has expired, making it a reliable tool for time-sensitive tasks.Clear LCD Display: Equipped with a large, easy-to-read LCD screen, this stopwatch ensures you can keep track of time effortlessly. The display remains visible in various lighting conditions, making it suitable for both indoor and outdoor use.Robust and Lightweight: Constructed to withstand daily use, this durable stopwatch is both lightweight and robust. Its water-resistant design makes it suitable for sports and other outdoor activities without worry about weather conditions.Simple One-Button Operation: Designed for ease of use, this stopwatch operates with a single button. Start or stop the timer with a simple press, making it perfect for quick timing needs without any complications.(No battery shipped; battery is 1*LR1130) (The product printed words may vary depending on the batch, but this does not affect use)Color: As ShownMaterial: ABSPackage Contents:1*Black Keychain Stop Watch 1*white Keychain Stop Watch