The Spectra S1 Hospital Grade Double Electric Breast Pump is simple and easy, with great features that will help support you. The Spectra S1 Plus Premier Rechargeable double electric breast pump provides all the features of the S2 Plus, but with a built-in battery. This means that you are now able to benefit from the efficiency, power, and performance of a hospital-strength breast pump without compromising on portability. Like all Spectra pumps, the S1 Plus is a closed system – a physical barrier between the milk and the pump ensures hygiene and motor performance. With a maximum suction strength of 270mmHg and the ability to be used as a single or double pump, the S1 Plus is the ultimate breastfeeding solution with everything you need to get started. The S1’s completely flexible, one-touch button and digital controls allow you to set the pumping program to the speed and rhythm most effective for your body. The suction is adjustable in both let-down and expression modes. This quiet pump also includes a timer and night light. Key Benefits & Features Single or Double Pump capability Vacuum suction up to L12 270 mmHg Weighs only 3 lbs Built-in night light LCD screen Rechargeable:Portable with built-in battery Massage Mode: Operates at 45 decibels (like the hush of a library) Timer: Offers east-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 Spectra S1 Plus Hospital Strength Double Electric Breast Pump FAQs What's included with this product? 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 Backflow Protector Two (2) Spectra Wide Neck Storage Bottles. Includes nipple, disc, cap, and cover for each bottle One (1) Spectra 12V AC Power Adapter/Charger What is Natural Nursing Technology? Natural Nursing Technology is Spectra's set of unique features that mimic the experience of natural breastfeeding through the gentle Massage Mode, the adjustable suction levels, and the discreet and convenient operation. What is a closed System? A closed system breast pump is one that does not allow for air and/or bacteria to pass from the mother pumping, down the tubing, and into the motor. This is the most hygienic option for pumping mothers and is used in NICU as well as rental-grade breast pumps. Are the suction levels adjustable? Spectra's double electric breast pumps combine adjustable suction levels (in both expression and massage mode) with easy-to-use buttons so moms can make the most out of every session. Related Articles How to Prevent Diaper Rash: A New Parent's Guide to Keeping Baby's Skin Healthy The Best Baby Products for Expecting Parents Baby Wipes vs. Adult Wipes vs. Wet Wipes: What’s the Difference? Breast pumps & breastfeeding: a comprehensive guide for new moms . Spectra S1 Plus Hospital Strength Double Electric Breast Pump | 1 Each | Carewell. Ultra Quiet Night Light. Vacuum range 0 ~ 320 mmHg Variable Suction and Cycle Massage / Letdown Mode. Cycle length is 38-54 RPM and the motor life is 1500 hours Built In Rechargeable battery. Manufacturer guidance is to allow 6 hours for first charge prior to useage Note: Two sides connect to the same vacuum supply and are not independent. The user may have forgotten to connect the valve on one side or the valve needs replacing or they have reduced milk supply on one side