... content 3. Detailed Product Description1), RGB LED board /led advertising board/china led board2), Fluorescent outdoor sign board 3), ... 400*600 500*700 600*800modeSL-2030SY size 30cm*40cm Frame material Aluminum Panel material4mm tempered glass ... light series), LED downlights, LED street light, LED Flood light , LED tunnel light advertising boards, LED fluorescent boards and LED handwriting boards and ...