... .UL/CUL,PSE,GS,BS,CE,CB,FCC 2.Low price and reliability 3.High efficiency CCTV DVR Recorder power supply Detailed ... -264V 47/63HZ Safety Approvals UL/CUL, PSE, GS, BS, CE, CB, FCC, and EK-Mark Protections1)over voltage protection: 120 ... -load burning test6. Installed with EMI filter ,minimum wave CCTV DVR Recorder power supply