Product Name: Circular Fluorescent Lamp BallastPlace of Origin: ChinaSpecifications: 1) High power factor (PF): 0.98 2) Auto-reset shutdown circuit 3) Abnormal protection circuit 4) End of lamp life protection circuit 5) Complying with EN and IEC standards 6) THD: 7) Crest factor: 8) Min. start temperature: -15oC 9) For base: G24q Specification of T9 circular fluorescent lamp ballast target=_blank>Download the File The specification of T5 circular fluorescent lamp ballast target=_blank>Download the File Inner packing: According to customers\'\' demands Outer packing: According to customers\'\' demands