... 1.Voltage: AC100-240V 2.CE, RoHS, UL, FCC 3.LED chips optional 4.Warranty:3yrs Energy Saving LED-Panel White Frame ... system, the constant current driver can work under unstable voltage.4, Special circuit design, each LED can work separately thus it can ... Package info: CartonApplicable Scope: led panel where need high intensity and save energy, such as hotel, meeting room, factory, office, house ...