... /CUL,PSE,GS,BS,CE,CB,FCC 2.Low price and reliability 3.High efficiency CCTV DVR Recorder power supply Detailed description 1)input ... -circuit protection: automatic recovery5Load regulation: ±5% Environmental requirement1)operating temperature: 0-402)storage temperature: -20-853)opera ting relative humidity:595 ... -load burning test6. Installed with EMI filter ,minimum wave CCTV DVR Recorder power supply