SWY-4-type water level remote sensing instrument is the water level in the mine field hydrological drilling time automatic all-weather observations and records set microcomputer technology, GSM network communication and computer technology in one of the automation equipment. SWY-4 Borehole water level remote sensing instrument in the case of unattended, automatic timing measurement to drill the water level all-weather, all data sent through the GSM mobile phone module to the remote station. And pass computer archiving, processing, through a dedicated analysis software processing, and reporting, curve, display and print.