Power Voltage: 220V Power Frequency: 50-60HZ Power factor(PF): 0.98 Coeffcient: 0.95 Crest Factor: 1.7 Starting time: 0.4 EMC/EMI: 3C Lamp Type: T8 Linear Life Expectancy(hrs): 10000 Features: 1.reasonable matching, steady performance. 2.No AC frequency twinkling, no noise, startup fast with low temperature rise. 3.With small cubage, it's convenient for setting and usage. Specifications: T8: 1*18W, 2*18W, 3*18W, 1*30W, 3*30W, 1*36W, 2*36W, 3*36W, 1*58W, 2*58W