This micro-pump is powered miniature DC motor drive, drive internal mechanical eccentric motion, driven by an eccentric movement inside the diaphragm reciprocates. It is mainly used for massage equipment, breast pump, beauty products and other fields. Features: Micro-pump is powered miniature DC motor drive, drive internal mechanical eccentric motion, driven by an eccentric movement inside the diaphragm reciprocates. ? Micro-pump is mainly used for massage equipment, breast pump, vacuum package machine, beauty products and other fields. Completely maintenance-free, and no oil pump, do not pollute the transmission medium. Small, stable and reliable, hand-held instrument for pump-priming, low noise, low power consumption. Especially suitable for high negative environmental requirements. Specifications: Rated voltage: DC 12.0V Rated current: 8.5L/M Application: massage equipment, breast pump, beauty products, vacuum package machine and other fields. Maximum pressure: >90Kpa Vacuum pressure: