Features: Large screen display: shows 12-hour/24-hour clock, month, day, weekday, and countdown time clearly at a glance. Back with magnetic stand for attachment to metal surfaces and desktop placement, allowing flexible positioning and easy operation. Powered by two CR2032 button batteries (not included), providing reliable power supply and simple battery replacement. 9999-day countdown function offers extended timing duration. Screen lock feature available to suit various user needs. Suitable for kitchen baking, study sessions, science experiments, anniversaries, Christmas, birthdays, weddings, graduation, and other countdown occasions. 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 15mm / 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