国产成人无码18禁午夜福利p,亚洲综合国产一区二区三区,无码一区二区三区在线,亚洲午夜久久久精品影院

FEATURE

• With WIFI remote intelligent control;

• Permanent magnet rotor stop-flow frequency conversion brushless motor, low noise, high efficiency and energy saving;

• External drive controller, digital display, arbitrary adjustment;

• External power adapter is used for power supply, and electronic components are potted with insulating materials, with high insulation strength, safety and reliability;

• Using engineering plastic pump body and ceramic shaft, wear resistance and long life.