Environmental protection material: PVC panel, clear and easy to read, no frame or glass cover. Can be wall mounted or free standing. The hooks on the back of the nail slot make it easy to install and hang. Features: No loud ticking, no noise. The movement is completely silent and will not disturb you when you are reading, thinking, working, conversing or sleeping. Easy installation, just put a small nail through the plastic hook and it will hang securely on your wall in seconds. Powered by 1 x AA battery (not included). Easy to read, the wall clock with large bold numbers is clear to read, clearly visible in many corners of the room. Occasions: Fashion retro style Decor Clocks, suitable for living room, bedroom, kitchen, bathroom, classroom, guest room, office, dining room, cafe, farmhouse, library or any color wall.