Blackmagic Design ATEM 4 M/E Advanced Panel 40Description This massive model is big enough to perfectly match the features on the ATEM Constellation switcher! It features 4 M E rows with 40 input buttons per row and 4 independent system control LCDs for each row. This massive panel includes 24 LCD's for custom labeling of every button on every row! Connections Ethernet 4 x 10 100 1000 BaseT with loop output for additional control panels or computers. Software Updates 1 x USB C for firmware