... the old type T8 fluorescent tube directly; 3)Has high output.4)With high Power Factor (PF), low operation current; Power factor ... )Long life span10,000-20,000 Hours,1 years warranty for ballast.2) CUT OFF technology, imported reflector cover with a ... , overload protection, end of life protection3) color: 2700K, 4100K, 6400K. LED energy save light-High quality and high energy-save