COMPATIBLE: PumpMom 12 Volt Spetra Car Adapter is specifically designed and tested to work with new Spectra S1 S2 pumps (Made After Feb 2015), Spectra 9 Plus breast pumps. SPECIFICATION: Output: 12V 2A. DO NOT use it with 9V machines that it might damage the pump. Fast charging not supported. PUMP ON-THE-GO: Idea for mom pumping on-the-go. A 8-foot length of the cord provides plenty of room for pumping in the backseat. CERTIFIED SAFE: CE FCC approved for safey; UL listed Cord. What You Get: 1pcs Spectra Car Charger / One year warranty from PumpMom.