1,CE,CCC,ISO9001,UL 2,5years warranty,OEM 3,Eco-friendly,energy-saving 4,80W electronic ballast,Fast delivery ... frequency output is 210KHZ 2. Power frequency is 50/60HZ 3. Passed the standard of EMC Eectromagnetic Radiation test and EMI ... % 2, AC 120V 220V 277V 347V 480V voltage range:+-15%3)PHOTO SHOWS