Features: Large screen display: Shows 12-hour/24-hour clock, month, day, week, and countdown time simultaneously for clear at-a-glance reading. Magnetic stand on the back allows secure attachment to metal surfaces or placement on desktops for flexible positioning and easy operation. Powered by two CR2032 button batteries (not included); power supply is long-lasting and simple to replace. Ultra-long countdown capacity up to 9999 days. Screen lock function supports diverse user needs. Ideal for various scenarios including kitchen baking, study sessions, scientific experiments, and milestone events such as Christmas, birthdays, wedding anniversaries, and graduations. Specifications: Material: ABS Functions: Timer / Countdown Time Range: Up to 9999 days, 23 hours, 59 minutes, 59 seconds Battery: 2 x CR2032 button batteries (not included) Screen Size: Approx. 100 x 70 x 15 mm / 3.94 x 2.75 x 0.59 inches Note: Please allow for a 1–2 cm measurement tolerance due to manual measurement. Color appearance may vary slightly depending on monitor settings. Package Includes: 1 x Electronic Countdown Timer