electronic ballast 1.Power:14w,21w,28w,35w,54w 2. ... 3.30000hrs, three years warranty 4.Complied with TUV-CE,EMC electronic ballast ballast Power: 14w,28w,35w,54w,2*14w,2*28w ... ,2*35w,2*54w ballast Features: 1.ballast High Power Factor ... for high voltage and high current 4.ballast Comply with 3CTUV-CE standard Power(w)Voltage(v)Tube1*14170- ...