This is the medium sized LED Matrix with a backpack that has been
designed to take SPI serial input and display any graphics you pass it.
All the refreshing and communication control is taken care of by the
backpack. It's even reprogrammable! Off, Red, Green, and Yellow colors
Unit comes with an Red/Green Matrix assembled with a RG Matrix Backpack Controller.
Check out the LED Coffee Table
Max width of backpack including connector pins - 1.0"