Smart automatic garden watering and sensing controller with beaver-shape, QUBVY, is used as a main controller device to install a auto garden irrigation system that can be installed in various ways. And it is used in home and office and farm. It does just as a beaver can create dams in different natural environment. And QUBVY expands watering range with cost-effective installaion by connecting multi-tap strip and more water pumps. It includes various sophisticated functions which are watering garden repeatedly and sensing environment and monitoring with web browser and controling soil humidity automatically. They are for systematically managing plants. The functions are based on advanced IT and measurement technology. Green instruments with each function may be highly priced. Qubvy has 3-color light LED for garden interior at night, and has fancy beaver design and hand held size that can be used for interior decoration.