led panel light 1.Ultra thin 11mm height 2.PF>96%,CRI ... Operating time(hours)Lumen decrease(%)5,0002.410,0005.220,00011.350,00024.5600x600mm led panel light specification: Module ... installation, suspended, MountedWarranty 3 years Operating time(hours)Lumen decrease(%)5,0002.410,0005.220,00011.350,00024 ... when unpack the package. The distance between the light and any flammable materials must not be less ...