Spectra S1 Pro (Hospital Grade) Reason for selling: Hospitalization with my son and lack of time for pumping. Usage period: one week, considered new. Easy to clean and assemble accessories. 15 levels of milk suction strength. 5 massage levels to help stimulate milk flow. 6 levels of milk suction cycle speed. 5 levels of massage cycle speed. Two levels of night light. All parts in contact with milk are BPA-free. Built-in rechargeable battery lasts up to 3 hours. LCD screen illuminates in the dark with an automatic timer. Automatic shut-off after 30 minutes of use. Works with electricity or battery after charging. Weight: 1.33 kg. Two-year warranty on the pump.