175W-1000W magnetic ballast 1. 220-240V/50,60HZ 2.good silicon 3.Approval CE&TUV ... 175W-1000W magnetic ballast:1.ballast for 175W-1000W 2.220-240V/50,60HZ 3.100% Copper,good silicon 4.CE ... CANBUS wiring data, no need extra interference eliminator and the resistor power. More professional and more reliable, suitable for almost all ...