Features: Large Screen: The same screen displays a 12-hour/24-hour clock, month, day, week, and timing, which is clear at a glance. Equipped with a magnetic stand on the back, it can be attached to metal surfaces and placed on a desk, free placement and easy to use. Powered by two CR2032 button batteries (not included), the power supply is durable and easy to replace. The 9999-day countdown has an ultra-long countdown time. The screen can be locked to meet the needs of different people. Applicable scenarios: countdown for cooking in the kitchen, countdown for studying, countdown for scientific experiments, countdown for anniversaries, such as Christmas, birthday, wedding anniversary, graduation, etc. Specifications: Material: ABS Material Features: Timing/Countdown Time range: 9999 days, 23:59 minutes, 59 seconds Battery: 2 pcs CR2032 button batteries (not included) Screen size: Approx. 100x70x15mm/3.94x2.75x0.59inch Note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Electronic Countdown Timer