Maymom 12 Volt Vehicle Lighter Adaptor for Spectra S1, S2 pumps (Feb 2015 and Newer) n Ameda Purely Yours Pumps; Replaces Car Adapter Charger Ameda Part # 17079 and Ameda Cigarette Lighter Adapter Input: 12V DC (Useable with most cars. Please consult with your car manual to verify its output voltage); Output: 12V DC, 1A. 30-day money back guaranty and 1-year USA based replacement warranty. High Quality and Strong Housing for duribility Length of the cord: 200 cm (6 ft 10 inches) - long enough for you to pump in the back seat of the car. Specially designed and tested for Ameda Purely Yours Pumps; Although labelled for Ameda, it can also work on some batches of Spectra S1, S2 pumps having a power plug hole greater than 5.5 mm ID. If this plug does not fit your spectra pump, contact the seller for a refund. No need to send back the plug. Multiple safety features to protect your pumps. See Descriptions for details.