Premium Quiet Movement - Use silent mechanism to ensure true calm, silent second hand for good sleep and good working environment. Precise movement for precise time. Large numbers and good visibility - 30cm round shape, the transparent mirror material has a wide viewing angle and the large digital wall clock makes it visible even from a distance. Decorative Design - The sturdy plastic frame and HD glass lens make it easy to clean and prevent dust from the dial. Classic and dead design, great for kitchen, living room, bedroom, bathroom, office. Easy to Hang and Battery Operated - Rear slot provides easy installation, 1 hook included. Works with 1 AA battery (not included). Easy to read The slim and elegant design makes this wall clock a beautiful wall decoration. The black wall clock with large stereoscopic number allows you to read the time accurately down to the second, so you don't have to worry. Updated quartz movement. Silent and tick-free movement. The watch is silent, so you don't have to worry about the constant ticking when you need a bit of quiet to focus on your work or get a full night's sleep without interruption. Easy to hang. The wide rear slot ensures easy installation. Hang it on a nail, screw, or small wall hook. Please insert a AA charcoal battery and set the time before hanging.