... GS,BS,CE,CB,FCC 2.Low price and reliability 3.High efficiency CCTV DVR Recorder power supply Detailed description 1)input voltage ... Approvals UL/CUL, PSE, GS, BS, CE, CB, FCC, and EK-Mark Protections1)over voltage protection: 120%min2)over current ... short-circuit and overload protection4. Compact size ,light weight5. 100%full-load burning test6. Installed with EMI filter ,minimum wave CCTV DVR Recorder ...