ITEM NAME:5pcs 8x8 4mm Dot Matrix Common Anode Red LED Display Modules 1588BS M6Y8 5pcs 8x8 4mm Dot Matrix Common Anode Red LED Display Modules 1588BS M6Y8 Product Name : LED Dot Matrix Modules; Model : 1588BS; LED Display : Red Dot Diameter(Each) : 4mm; Dot Numbers : 8*8; Pin Numbers : 16 Pins Type : Common Anode; Total Size : 38 x 38 x 12mm/ 1.5" x 1.5" x 0.47" (L*W*H) Material : Plastic,Material; Color : Black, White Weight : 53g; Package Content : 5 x LED Dot Matrix Modules Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing.The measurement allowed error is +/-1-3 cm..Model : 1588BS;. Type : Common Anode;. Dot Numbers : 8 8;. LED Display : Red.