1. Long countdown setting duration: up to 999 days, 23 hours, 59 minutes, and 59 seconds. It has a clock function and can be switched between 12 - hour and 24 - hour formats. The setting is relatively simple, and there are two placement methods. The back is equipped with a magnet and a movable stand. 2. Wide range of application scenarios, including holidays, weddings, newborns, retirements, meetings, learning, etc. 3. Weight of a single product: approximately 107 grams (net weight) 4. Product dimensions: 156 * 57.5 * 13 mm 5. Screen size: 138.4 * 39.9 mm 6. Battery: Two CR2032 button batteries 7. Countdown function: Displays days, hours, minutes, and seconds. The countdown upper limit is around 999 days, 23 hours, 59 minutes, and 59 seconds. 8. Clock function: Displays hours, minutes, and seconds, supporting 12/24 - hour formats. 9. The back has a magnet and a stand, which can be adsorbed on metal surfaces or placed on a desktop. 10. Widely used in scenarios requiring countdowns, such as sports events, the college entrance examination, and important schedules. 11. Color: Black 12. Packaging contents: 1 timer