SILENT MOVEMENT - It will bring you a peaceful night, minimize energy consumption and effectively extend the life of movement EASY TO INSTALL - The package includes self-adhesive stickers for easier installation. Each mirror has a protective film, please separate it after installation MODERN DESIGN: Wall clock with musical notes with Roman numerals in 3D wood design, modern clock for your beautiful home, also perfect gifts for music lovers. NON TOXIC MATERIAL-- The product adopts waterproof high quality EVA foam and acrylic mirror, which can stay 5-7 years, does not change color, not distorted, not harmful to children DIY - You can customize the position and size of the clock as you wish while having fun doing it yourself with your family and friends Product Forming numbers: notes and Roman numerals Material: Acrylic Length of the pointer: 11 cm Length of the minute hand: 8.5 cm Product Dimensions: DIY (30-50CM) Time accuracy: -0.8 ~ + 1.2 seconds / day Power supply: 1 * AA battery (not included) Package: 1 x watch compartment 3 x pointer 1 x acrylic number 1 x installation manual