9V300mA switching power supply, power adapter GS, BS, CE, CB approved Switching power supply, switching power adapterInput :100-240VAC 50/60Hz Output : 9VDC, 0.3A Standby power ≤0.5W LED indicates power onCertificates: UL, CUL/CSA, TUV/GS, BS, CE, SAA, PSE, EK, CB, FCC, EMC, RoHS Comply with ENERGY STAR requirements Mini switching power supply