Input: 12V DC (Useable with most cars. Please consult with your car manual to verify its output voltage); Output: 12V DC 1A.</br>High Quality and Strong Housing for duribility</br>Length of the cord: 200 cm (6 ft 10 inches) - long enough for you to pump in the back seat of the car.</br>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.</br>Multiple safety features to protect your pumps. See Descriptions for details.</br></br>Product Description</br></br>12V Vehicle lighter adapter for your Ameda Purely Yours Pumps; Also work on some batches of Spectra S1/S2 pumps having a plug hole of 5.5x 2.1 mm (Made Feb 2015 and after). If you purchase this plug and it does not fit your pump contact the seller for a refund. No need to send back the plug. <br> - Spring-loaded plug to ensure best electrical contact <br> - High quality and strong housing for durability <p> <b>Safety Guards:</b><br> - UL certified cord <br> - Overload protection <br> - Green LED light for power status <br> - Input polarity protection <br> - Irregular voltage shock protection