The Spectra S2 Hospital Grade Double Electric Breast Pump is designed to bring confidence and comfort to every moment of your breastfeeding journey. Weighing only 2.5lbs, the S2 Plus is ultra-quiet for optimum privacy. Additionally, the S2 Plus is hospital strength (270 mmHg), ensuring productive single or double pumping sessions. Like all Spectra pumps, the S2 Plus is a true closed system, creating a hygienic barrier between outside contaminants and mother’s milk. Key Benefits & Features: Advanced massage mode settings, Advanced expression mode settings, Single or double pump capability, Vacuum suction up to L12, Weighs only 2.5 pounds, LCD screen, Massage Mode: Simulates the natural suckling of your baby, Display with Auto-Timer: Offers easy-to-read settings, Adjustable Suction Levels: Up to 270mmHg hospital strength suction, Closed System: Prevents backflow into tubing or pump, Ultra Quiet: For discreet pumping sessions, Night Light: Allows you to easily pump at any hour. What's included: Two (2) 24mm Spectra Breast Flanges, Two (2) 28mm Spectra Breast Flanges, Two (2) Spectra Tubing, Two (2) Spectra Duckbill Valves, Two (2) Spectra Backflow Protectors (includes silicone membrane, uppercase, and lowercase for each), Two (2) Spectra Wide Neck Storage Bottles (includes nipple, cap, disc, and cover for each), One (1) Spectra 12V AC Power Adapter/Charger. Natural Nursing Technology mimics natural breastfeeding through gentle Massage Mode, adjustable suction levels, and discreet operation. The closed system is hygienic and used in NICU and rental-grade pumps. Spectra's double electric breast pumps combine adjustable suction levels (in both expression and massage mode) with easy-to-use buttons for optimal sessions.