The automatic breast pump has a uniquie design that allows you to maintain a more comfartable milking posture. Soft massage pad design provides soft and warm feeling. Can imitate the baby sucking action which makes the milk quitely, comfortably, gently and quickly flow out. The breast pump is compact, easy to assemble and the components can be cleaned with dishwasher. In massage mode, there are 10 levels of suction and 3 degrees of frequency, users can find the most suitable suction and frequency as per their comfort. The suction power range for massage is 7-16 Kps, frequency range at 70-90 times/min. In suction mode, there are 15 levels of suction and 3 degrees of frequency, users can find the most suitable suction and frequency as per their comfor. The suction power range is 10-45 Kpa.