LCD Display provides status of programs and functions 9 Adustable suction strengths 2 Phase Expression Stimulation and Expression Mode Easy to assemble and clean silent for discreet pumping Closed Loop Anti-backflow System Single Pumping BPA and Latex Free One 4oz Bottle Feeding Adapter Kit and Storage Container with Lid Convenient Drawstring Bag A/C Power Supply Included Internal battery power source 4 AA alkaline batteries (not included) One Year Limited Warranty