Dot Matrix Display Module 5 x 7 Common Cathode Row, Common Anode Column Green, Red 2V Red, 2.2V Green 0.90" L x 1.26" W x 0.32" H (22.85mm x 32.00mm x 8.00mm)
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 Green, Red 4V Red, 4.4V Green 3.00" L x 4.20" W x 0.51" H (76.20mm x 106.68mm x 13.00mm)
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)