MAIN OVERVIEW FEATURES: Device Supported: Tablet PCInput Voltage: 120 V AC,230 V ACOutput Voltage: 12 V DCMaximum Output Power: 48 WMaximum Output Current: 4 ACompatible to OEM Part Number: W9S-00001 A1536 Compatibility: Microsoft Tablets: Surface 2 Surface Pro Surface Pro 2 Surface RT Limited Warranty: 1 Year