Features: Large screen display: shows 12-hour/24-hour clock, month, day, week, and countdown time clearly for easy reading. Built-in magnetic stand on the back allows attachment to metal surfaces and enables flexible desktop placement with convenient operation. Powered by two CR2032 button batteries (not included), offering reliable power supply and simple battery replacement. Supports up to 9999 days of countdown time. Screen lock function available to suit various user needs. Suitable for various scenarios including kitchen baking, study sessions, scientific experiments, and special event countdowns such as Christmas, birthdays, anniversaries, graduations, and more. Specifications: Material: ABS Functions: Timer, Countdown Time Range: 9999 Days, 23 Hours, 59 Minutes, 59 Seconds Battery: 2 x CR2032 button battery (not included) Screen Size: Approx. 100 x 70 x 15 mm / 3.94 x 2.75 x 0.59 inch Note: Please allow 1-2 cm measurement deviation due to manual measuring. The actual product color may vary slightly due to monitor display differences. Package Includes: 1 x Electronic Countdown Timer