1. 2 year warranty 2. CE,UL,PSE,SAA,GS,CB,C-TICK 3. dimension: 58 ... Current Limiting..............<2.5A(under min AC input and full load)Efficiency..............>80% DC OutputDC Voltage RegulationParameterLine Regulationload RegulationCross ... RegulationV1:5V ±5.0% ±5.0% N/A DC Output CurrentParameterMin CurrentRate CurrentunitV1:5V 0.1 0.8A ... A N/A Universal 5V 0.8A 800mA AC DC USB Power Adapter