Product dimensions: clock: 40x40cm, side pieces 19x40 cm. It is sent as a set. Product material: 3mm natural MDF wood. It is produced by laser cutting. Mechanism information: Hour hand: Length is 10 cm, minute hand length is 13 cm, seconds length is 14 cm. The clock mechanism is quiet enough not to disturb the sound. It works with a single battery. (Battery is not sent.)