100-300V Ballast 1,CE, CCC, ISO9001,Patents 2,5years warranty, OEM 3,Eco-friendly, ... 2. Power frequency is 50/60HZ 3. Passed the standard of EMC Eectromagnetic Radiation test and EMI Conduction Test 4.Passed ... tube should be less than 10meters 6.With the standard of GB19510.4-2009,GB19510.1-2009,GB17743-2007,GB17625.1 ...