The design of our ballast is artistic. Under normal temperature and voltage, it is reliable to start and the life is much longer Ballast (1)Low power consumption(2)No noise, fire-resistant(3)Specifications:8/10/15/18/20/30/36/40W,220-240V, 50Hz/60Hz(4)color :white(5)Material: Silicon steel, copper/copper covered aluminum/aluminum wire(6)Certification(s): CE, ROHS