... electronic ballast--Power factor above 0.97;CF below 1.7; THD below 10% ; Dimming range 5-100% ;High Temperature 70 Dimmable Electronic ... to compose a small dimmable lighting systemSuit to T4,T5,T8 fluorescent tubes, PL,PH tubes, and T5,T6 circular ... in arbitrary,energy saving,convenient control,wide application scope,safety,high stability.It widely used in different lighting occasions, commercial ...