... /50Hz0.4232/50Detailed Product Description.Electromagnetic ballasts for metal halide lamp,sodium lamp,mercury lamp 35W,70W,125W,150W,250W,400W,600W,1000W,2000W ... quietness.6) Low magnetic leakage.7) Watts:35W,50W,70W,100W,125W,150W,250W,400W,600W,700W,1000W.8) Color: ivory ...