50W high power LED high bay 1,AC85~265V 2,USA Bridgelux led chip 3,5 years warranty 4,CE&ROHS 50W high power LED high bay ... 5 years warranty Manufacture :20W,30W,50W,60W,70W,80W,100W, ... prevention design6. 3-10m Installation height7. High efficiency and power factor LED driver8. Constant current & High voltage isolate9. Unique optic design / ...