Specifications: Input : DC 12-24V Output: DC 12V/2.58 A Power: 41W USB Port: 5V 2.1A , (USB 2.0) DC cable length: 120 cm / 47.2in Charger size: 4.33 x 1.57 x 0.7 inch Package Include: 1 X 41W 12V 2.58A Car Charger for Surface Pro 3 Pro 4 1x 47.2in Power Cord Compatible Models: Microsoft surface Pro 3, Microsoft surface Pro 4, Microsoft surface Pro 5, Microsoft surface Pro 6, surface Laptop, Surface Book, Surface Pro (5th Gen), Microsoft Surface Pro (2017/2018), Surface Laptop 1/2 & Surface Go. See more ?What You Get?1 x Surace Pro Car Charger, 1x 47.2in Power Cord, Contact us for return in 30 days while you are not satisfied with our product, and an new product as replacement in 12 months. ?Features?Convenient, Protable, Fits most of the Car, Easy to use when traveling. Rigorous Workmanship and Durable,Hard to Break and Less of DC Ripple,High Efficiency and Charging Quickly. ?With USB quick charger?USB 5V 2.1A car charger recharges the battery and another device such as your phone or iPad at the same time. ?Compatible with?The UL listed surface car charger power supply is designed to match your Microsoft surface Pro 3, Microsoft surface Pro 4, Microsoft surface Pro 5, Microsoft surface Pro 6, surface Laptop, Surface Book, Surface Pro (5th Gen), Microsoft Surface Pro (2017/2018), Surface Laptop 1/2 & Surface Go. ?Product Specifications?DC 12-24V/3.5A (MAX); OUTPUT: DC 12V/2.58A, DC 5V 2.1A (USB).