... life-span 30,000 hours No stroboflash and noise. Item: Electronic Ballasts for 220V~240V Fluorescent lamps_T8Technical data:Item no: SWBAT003Wattage ... * 155 mmPcs/ctn: 50 pcsG.W.: 5 KGProduct characteristics:(1)Electronic ballasts can be between 110v~250v.(2)steady performance, durable ... , rapid start, long life-time,(3) upto 30000 hrs,four years warranty(4)has no ...