... Light Frame Specification:Material: Alluminum Alloy: 1x,2x, 3x, 4x, 5x, 6x, 7x seriesTemper: O, T1, T4, T5, T6, H12Shape: Round ... all kinds of Square & Round LED Panel lights....... LED ceiling light is a new generation of cold light source with high luminous ... lighting, good cast performance, wide working voltage range, the light source adopts microcomputer built-in controller, can realize LED seven ...