Synchronous Digital Clock with Wireless Communication (Case Dimension: 12x30 cm) Case Dimension: 12x30 cm. Number Height: 57 mm. It is wireless. Once the designated central time is set, all clocks are set. Degree, humidity and date can be added if requested. It is adjusted by remote control. It is hung with a hanging device. The sensor and cable can be prepared in the desired length. It is used indoors. Our products are our own production and are guaranteed against manufacturing defects for 2 years.