The simple water level telemetry terminal is a multi-channel multifunctional data acquisition and transmission device developed and designed according to the construction of the flood information automated reporting system and in combination with the experience of professionals over many years. This device uses advanced microprocessor technology and sensor technology to timely reflect the flood level situation of flash flood sites, and can automatically collect, process, and alert water level warning data in real time. It is characterized by reasonable design, safety and reliability, easy installation and maintenance, simple operation, powerful function, stable operation, etc., and is the preferred device for flood information automated reporting systems.