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PIC Product P/N PDF 4.0 inch height 5x7 LED dot matrix BL-M40A571,BL-M40B571 4.0 inch height 5x7 LED dot matrix, bi-color BL-M40A571xx,BL-M40B571xx 4.0 inch height 5x7 LED dot matrix BL-M40C571,BL-M40D571 4.6 inch height 5x8 LED dot matrix BL-M46A581,BL-M46B581 4.6 inch height 5x8 LED dot matrix, bi-color BL-M46A581xx,BL-M46B581xx