It is one kind of geophone applied for three-component seismic prospecting. The level and rotation sense are adjustable. With features of robust, light weight and convenient for field operation. It can be used in shallow water. Horizontal component axial of the two transversal wave geophones are indicated with arrow on top of the case. Moreover, practical operating state of the geophone will be showed by round level bubble mounted. 3-C geophones is used for multi-component seismic exploration, which has high resolution, and it is widely used to survey highway, bridge, mineral, geophysical and geological test and data acquisition. Senshe Tech is available of series geophones from 4.5Hz to 100Hz.