Nirsom&reg; US AC Power Adapter Home Wall Travel Charger for Microsoft Surface 10.6 Windows 8 RT Tablet PC Power Supply Cold Charger 12V 2A (Black) 100% Brand New and High Quality, for Microsoft Windows Surface RT tablet. saver mode to prevent overcharging and short circuit. Customized design for Microsoft surface RT Tablet PC, compact size and light weight Intelligent IC chip inside recognizes a fully charged battery and automatically switches. Fast Delivery in 1-2 days, plug Type : US plug