Very Quiet - Precise quartz movement guarantees precise time, silent second hand ensures a good sleeping and working environment. Attractive Display - Large, intuitive and clear 3D digital screen that tracks every hour and minute. Easy to see from any corner of your room. Simple and Elegant Design - Silent wall clock perfect for office, classroom, bedroom, bathroom and any room in your house. Powered by 1 AA battery, ordinary carbon battery instead of alkaline battery ensures better work (hook included, battery not included).