LED pannel 1.Aluminium alloy LED pannel 2.PF=0.98 3.CE& ROHS 4.3 years warranty, 1-3 days for sample deliver Product Summary: 1,The light source is from 1W high wattage LED, which is developed our patent technology. Properties of LED included energy conserving, good color display ability and high luminance efficiency.2,No harmful radiation, mercury or glaring effect ;Equipped already with ...