suitch power supply power charger 20W Switching-mode power supply,Overload, short circuit protection CCC/CB/TUV/GS/CE/LVD/EMC suitch power supplycell phone chargerFeaturesApplicationSafety ApprovesEMCMTBFSmall size and easy takingEnclosed all plastic cover with supersonic press fitOverload, shot circuit,overheating and over voltage protection,Nomal coolingSafety standards-UL,CB,CE,FCC,3C approved ...