Iron frame, classic paint baking process, anti-corrosion, rust proof, and anti fading.Metal clock needle, aluminum metal pointer, durable and complementing itself.High quality movement, precise timing, low noise, low power consumption, and durability.Due to transportation requirements, our clock does not include batteries. Please purchase the batteries yourself after purchase.Specification selection: We have clock options with diameters of 50cm and 60cm. Please choose the appropriate size according to your needs.