... C(highest)0.46No1,there are strobe2,the power consumption 3,low voltage or temperature not first ... ,lumens low coefficient 3,Electromagnetic radiation is too power to effect the around electrical equipment working.HLB ... . 4,Abnormal lamp automatically cut off the power 5, with overvoltage protection, to prevent a short time ... Hot German HID 70W MH Electronic Ballast with Cable CE CQC, Rosh, PSE Approval