... Anti-flaming PC plastic lampholder4, Electronic ballast--four configuration for choice: A) IC Standard with chip, PF≥0 ... , ,no noise, low work temperature, low power consumption4, Good for environment use solid-stated mercury, 38% less usage ... time7, No flicker, near to natural light,good for eyes8, No labour and no modification cost to ... so on T5 wall lamp fixtures built in EB 6w/8w/13w/14w/21w/28w/35w