Technology plan of the mobile wireless digital water-level monitoring station with solar energy is designed and developed by adopting developed independently patent technique of digital retrieval water-level sensor.The newly invented station can be easily transported and installed and can be widely applied in the flood alarming system in dams and rivers as well as in water resource management.On-the-spot application shows that the system works reliably and burns less power

especially in remote areas with neither electricity supply nor enough fund.