In addition to providing all the standard features that Spectra’s been recognized for in the past including its true closed system, soothing night light, and unique natural nursing technology; the S3 Pro is a multiuser pump and is hospital grade. The S3 Pro can be utilized safely and effectively in high-usage settings, including hospitals, birth centers, rental programs, and beyond. Features & Benefits: Hospital grade suction combined with Natural Nursing Technology for optimal results & comfort Rechargeable battery and 3 year pump warranty Capable of providing vacuum levels from 0-270 mmHg Cycling rates up to 70 cycles per minute Single or double pump capability Vacuum suction up to L12 Included with the S3 Pro: 12V Power Cord & Adapter