Input：DC 12-24V Output：DC 5V 4.2A(real output) Product name：Professional Manufacturer 4.2A 5v usb car charger with 3 port Material：ABS +Rubber oil on the cover ABS +Rubber oil on the cover Weight：Light and portable Size：Handful and portable Warranty：12 months Certificate：CE/FCC/RoHS After Service 1. Any defects occur within warranty can be solved by us. Please inform us the problem you met. 2. We will provide solutions for you as soon as possible. Our Advantage 1.We have 5 years experience in mobile phone accessories, like travel charger, car charger, power bank for phones and data cable. 2.Manufacturer supply with high quality and best price. 3.Certification with CE ROHS FCC. 4.OEM & ODM offered Our service : Guarantee 1.1 year warranty after shipment 2.Certificates available: CE, RoHS and FCC Payment 1.We accept PayPal, western union and T/T 2.30% deposit and 70% before shipping Shipping 1.Small order via EMS,( Cheap and safe), big order via DHL or Fedex( Cheap and fast) 2.We Provide Dropshipping Service. Warranty& Customer service for Travel car charger;car accessories car charger 1). we can supplyone yearquality warranty service upon shipped, we can cover all extra fee if we can confirm the quality problem. 2). OEM& ODM service is welcomed, as a researching company we also design many other car charger who suti for iphone, samsung, sony, LG, nokia and so on.