The 【999days Countdown timer】 is a versatile device that allows you to set a countdown timer for 999 days, with a working range from 0 to 23 hours, 59 minutes, and 59 seconds. It features a large LCD screen with a diagonal length of approximately 5.7 inches and a strong magnetic lining for easy attachment to metal surfaces. The timer also functions as a digital clock with a 12/24-hour format, and the battery can last for at least one year without replacement. This makes it a perfect funny gift for special occasions like anniversaries, birthdays, or sports events. Additionally, it comes with a 2-year warranty for added peace of mind.