... ,CE,RoHS,ENEC,GS; Fluorescecent Lamp Product Features: 1) Slim Design: integrated built-in electronic ballast; 2) Easy Installation: directly ... applied to the traditional T12/T10/T8/T6 fluorescent lamp fixtures, no electrician ... subjects. 7) Eye Protecting: T5 Adaptor adopts the electronic ballast, of which the frequency is 30KHz to 50KHz, so ...