This is a high precision and precise quantitative pipette. Small size, self-drive, flexible and changeable use, Multi-channel simultaneous quantitative liquid transfer can be made up of multi-branch pipettes. The capacity is 1ml, and the corresponding tip is equipped to realize the function of sampling and transferring liquid. It has automatic tip eject functionality and liquid level detection. It is mainly used in clinical diagnosis and analysis equipment, such as Nucleic Acid Extractor and laboratory analysis equipment.