1,CE,CCC,ISO9001,UL 2,5years warranty,OEM 3,Eco-friendly,energy-saving 4,80W electronic ballast,Fast delivery low ... Passed the standard of EMC Eectromagnetic Radiation test and EMI Conduction Test 4.Passed one million times switch on-off test5. ... QB/T2871-20077. Wide Voltage,overcurrent and overvoltage protection;8. Ten years manufacture demand and theoretical design9.Provide five years quality ...