Professional & Efficient Pumping - Experience the power of the Momcozy Breast Pump V1 which combines a small, hospital-grade motor up to -290mmHg and high frequency & micro-vibration technology. Hands-Free Convenience - Weighing just 0.26lb per cup and holding 180ml/6oz of breastmilk each, Momcozy V1 allows you to feel lightweight and compact while collecting milk in-bra.