Automatic breast pump Specification/Function 1. Whole process microcomputer control, suck automatically, humanizationdesign,with a collector to avoid back flow 2. 3 suction intensities and 2 suction velocities are available for selection 3. The strong suction intensity can stimulate milk exudation, unblock mammary gland and remove ache in swollen breast 4. Imitating infant's natural sucking process, safe and comfortable for use 5. The Breast Shield can massage breast effectively, stimulating secretion of breast milk 6. Fashion and cabinet, easy to carry, suitable for working mother or mother who stays out 7. Easy operation by one hand, avoiding fatigue of hand, suitable for caesarean mothers to stimulate breast milk exudation effective Package 24pcs/carton carton size:58.5*50.5*53cm N.W.: 24kg G.W.: 26.3kg