[Tablet Charger Power Surface Pro 3 Wall Adapter]- Eruner Wall Charger Home Travel Power Adapter for Microsoft Surface Pro 3 12-inch Tablet(Black) Input: AC 100~240V - 50/60Hz 0.8A Max Output: DC 12V / 2.58A Compatible with: Microsoft Surface Pro 3 12-inch Tablet PC Intelligent IC chip is built-in to prevent overcharging and short circuit US plug version, convenient backup charger for home, office, travel or business