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); battery replacement is simple and power life is long. Ultra-long countdown capacity up to 9999 days. Screen lock function available for user convenience. Ideal for various applications including kitchen baking, study sessions, scientific experiments, and personal milestones such as holidays, 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