INFORMATION DISPLAY DEVICE

摘要

An information display device is disclosed. The information display device of the present invention comprises: a number display unit on which numbers having at least two digits can be displayed; a short-range wireless communication unit which is connected to a different communication device and can receive data; and a power unit for supplying power to the number display unit and the wireless communication unit, wherein the wireless communication unit receives data regarding speed from the connected different communication device with a predetermined time interval, and displays the data on the number display unit.