Comfort flow technology for a smooth and more consistent sensation, meaning more milk-Quiet Technology- HyginiKIt Milk Collection System: Proven FDA-cleaned barrier designed to protect pump, tubing and bottle against mold and viruses- Separate speed and suction dials with 32 fully customizable options for multiphase pumping - 2 year warranty -Weight: 1.1 lbs.- Power with AC adaptor included or AA batteries (not included)- Adaptable for single or double pumping- Easy to clean surface, contemporary look