SMART STYLE BALLAST FOR TUBE LIGHT. BENEFITS. 1-Instantstart for energy saving. 2-Energy saving of 70%. 3-Nofusion flicker and ballast hum. 4-Can keep he tube light lighted even if the line voltages as low as 100 volts. 5-Operates under moist and humid conditions. 6-Re ballast the dead tube rod. 7-minimum heat gain and work in cool position. 8-Rating 220/240V A. C.50 HZ. 9- 0.08 Amp in ballast position. 10-Operating range 100-300V A. C. 11-Compatible with 40 watts tube light rod.