LCD Display provides status of programs and functions * Control suction and speed to suit your comfort level with a total of 28 pumping state options * 2 Phase Expression; Stimulation and Expression Mode * Includes 2 Soft Silicone Cushion Inserts for Optimum Comfort * Easy to assemble and clean; silent for discreet pumping * Passive prevention of milk backflow * Single or Double Pumping Options * BPA and Latex Free * Two 4oz Bottle Feeding Adapter Kits and Storage Containers with Lids * Piston Pump System imitates baby's sucking rhythm * Includes A/C Power Supply & External battery pack; 6 AA alkaline batteries (not included) * One Year Limited Warranty * Carry bag (BP001) and insulated case (BP002) are sold separately