Features: Visual time management features rainbow colorful designs that clearly shows time passing, helping children understand time concepts and improve focus. Simple operations with easy rotation to set time from 1 60 minutes, perfect for kids to develop time management skills during study or play. Powered by 1 AA battery (not included) with up to 200 days of battery life for long lasting performances. Motivational color changes encourage children's engagement by providing visual progress feedbacks during tasks. Versatile usage for homework, reading, or playtimes limits to help parents organize children's daily activities effectively. Specifications: Component: ABS Power supply:1piece AA batteries (not included) Time Ranges:0-60 minutes countdown Color:White,1,Green,Blue,Pink Size:Approx.95mm/3.74''x47mm/1.85'' Package Includes: 1Piece Visual Timer note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color of the item.