We focus on providing quality power products and excellent customer service, Please contact us with any questions or concerns - we are here to help! Compatibility:Microsoft Surface Pro 3 Tablet,Surface Pro 4 Intel Core i5 i7 Tablet (Note for Surface pro 4 Core M3 Tablet) Quality Assurance -All Products has been 100% tested ensure it works with surface pro 3/pro4 -Power Supply is easy to fit and remove. -It is made from tinned copper and has high charging speed. -It has electromagnetic immunity and offers short circuit protection/over-voltage protection/over-voltage protection. -30 Days Money Back Guarantee -we provides 12-month worry free warranty for our product What You Get: 1*Surface Pro 3/Pro 4 Car Charger

• he charger is only available for Microsoft Surface Pro 3 / Surface Pro 4 I5 I7... (can't use for Surface RT/RT2, Surface Pro/Pro 2, Surface 3, Surface Pro 4 M3, Surface book)
• Input:DC12V-24V Output:12V 2.58A, Total 3.6Ft Cable Length, With LED Indicator for Power Status, With a special magnetic interface.
• I/C Chip technology prevents your tablet's battery overcharging, manufactured with the highest quality materials, Provides overcharge Protection System/Short circuit/Overload,protection/Over-heat protection.
• All products has been 100% tested and validated to ensure it will work with Microsoft Surface Pro 3 / Surface Pro 4.
• What You Get:1 x Surface Pro 3/4 Car Charger.

he charger is only available for Microsoft Surface Pro 3 / Surface Pro 4 I5 I7... (can't use for Surface RT/RT2, Surface Pro/Pro 2, Surface 3, Surface Pro 4 M3, Surface book)RocFly