Specifications: 1) High frequency operation, comfortable light and no flicker 2) Adopts filament current cut-off technology, which improves working efficiency 3) Effectively prolong life of lamp 4) Rated voltage: 220-240V 5) Working voltage range: 176 - 254V 6) Power factor: >0.96 7) Operation frequency:45kHz 8) Lamp types: T5/14W x 1 (x 2, x 3, x 4), T5/21W x 1 (x 2), T5/28W x 1 (x 2), T5/35W x 1 (x 2) 9) T5HO/24W x 1 (x 2), T5HO/39W x 1 (x 2), T5HO/54W x 1 (x 2), T5HO/80W x 1 (x 2) 10) Length: 280mm The specification of T5 HE fluorescent lamp ballast target=_blank>Download the File The specification of T5 HO fluorescent lamp ballast target=_blank>Download the File Inner packing: According to customers\'\' demands Outer packing: According to customers\'\' demands