Dot Matrix Display Module 5 x 7 Common Anode Row, Common Cathode Column Green, Red 2V Red, 2.2V Green 1.50" L x 2.10" W x 0.33" H (38.10mm x 53.34mm x 8.40mm)
Dot Matrix Display Module 8 x 8 Common Cathode Row, Common Anode Column Green, Red 2V Red, 2.2V Green 2.40" L x 2.40" W x 0.36" H (60.96mm x 60.96mm x 9.20mm)
Dot Matrix Display Module 5 x 7 Common Anode Row, Common Cathode Column Red, Green, Blue (RGB) 2V Red, 2.2V Green, 4.5V Blue 1.50" L x 2.10" W x 0.33" H (38.10mm x 53.34mm x 8.40mm)