The product has a silent clock mechanism. Clock Dimension is 42.42cm, with the pendulum it becomes 42x52cm. It is produced from 3mm 3 layers material. The Clock Mechanism is the Silent Clock. It is a special laser cutting product. Battery is included in the package according to stock status. Since the pendulum part is magnetic, it may not be used if desired. Maximum 10 pieces of this product can be ordered. Versand724 reserves the right to cancel orders over 10 units. More than 100 stocks are offered to be sold at the campaign price.