AC/DC Switching Power supply with 12W Maximum Output Wattage and Short-circuit Protection have UL,CSA,CE,TUV,GS,BS, ... current: 0.3A (minimum); 2A (maximum) (selectable) Features: No load power consumption: less than 0.3W Efficiency: more than 72% at ... products, cellphone charger, network information, security equipment, small home appliances, and more Certifications: UL, cUL, FCC, CCC, CE, BS, CB, GS ...