... 4.we are power supply factory 5. CE,ROHS 5v 2a USB Power Adapter• Applications:o Mp4,PDA,Digital Camera Chargero ... :5% to 95% Non-Condensing• Safety Specifications:o Construction:Class II Insulation SELV Outputo Standards:UL/CUL, CE, CCC, FCC• EMC ... Power:5~12Watto Ripple & Noise:1% of Output Voltage 5v 2a USB Power Adapter