Mini Wave Buoy can observe the wave data in short-term by the way of short-term fixed-point or drifting , providing stable and reliable data for Ocean scientific research, such as wave height, wave direction, wave period and so on. It can also be used to obtain section wave data in ocean section survey,and the data can be sent back to the client through Bei Dou, 4G, Tian Tong, Iridium and other methods.