... overview:1.energy saving up to 60%,high intensity.2.Good light quality and good heat dissipation.3.Special ... efficiency>85%,,constant current driver,with heat protection system,can work under unstable voltage.5.Instant start, no flicking,no ... ,shopping malls,musems and so on.work shop:Certificate:2012 Guangzhou international lighting exhibition: 2012 newest style suspended ceiling light with CE&ROHS