Size: The diameter is 40cm, perfect size, suitable for all kinds of walls. Works with 1 AA battery (not included). Easy to Install: The hook design is stable but will not damage the wall, the slot back clock is easy to hang. Rust Resistant & Durable: Made of high quality metal with painting, rust-proof and durable. The frame of the wall clock is handcrafted from solid iron and the high quality materials ensure the sturdiness and retro appearance of the Roman wall clock. Quiet Movement: Sweeping clockwork. High quality quartz clock to keep quiet accurate, no more annoying ticking, just enjoy a quiet moment as time passes. Simple retro design: European rustic metal clock with classic Roman numerals design, exquisite paint finish, it is not only a wall clock, but also a great piece of iron art. Vintage decoration and excellent gift: Decorative wall clock, suitable for living room, office, bedroom, kitchen, school, classroom and other public places or home. Silent vintage Roman numerals