Features: 1) High power factor with EMC 2) Advanced over-voltage and over-current protection circuit 3) Moisture proof and anti-shaking 4) Working voltage: 180 - 240V, low current influence with high power invariance 5) Flicker-free and noiseless 6) Rated voltage: AC 180 - 240V 7) Lamps suited: T8 18W/30W/36W (x2) (x3) 8) Frequency: 50Hz 9) Rated watt: 18W-108W 10) Rated current: 0.077A-0.464A 11) Power factor: More than 0.97 12) Peak coefficient: Less than 1.7 13) Ballast factor: 95% 14) THD: Less than 15% 15) Product sizes (L x W x H): 210 x 33 x 31mm, 280 x 40 x 31cm 16) Suitable for T8/T5 fixtures in office buildings, factories, schools, labs, libraries and commercial buildings