Electronic ballast specifications: 1 Hight insulating quality 2 Certificate:CE,ROSH EMC UL 3 Power:20W,30W,40W Features for ballast :1.220v/50HZ2.40W-20W3.provide long life and super quiet4.T8 ballast ,low loss power5.Has low temperature so that it won't turn the light box cloth or the light box sheet yellow ,because of the heat6.wide working range without any noise. fluorescent lamp electronic ...
