"Hanabi" HD/SD 1M/E Switcher with HVS-391OU 20 Button Panel, 16 HD/SD-SDI Inputs, 8 HD/SD-SDI and 1 HDMI Outputs, Frame Synchronizer on each Input, 4 Channels of Resize Engine, Maximum 24 Inputs, 13 Outputs, 4 Keyers with 2.5D DVE per M/E, 2 Chroma Keyers, 2 Independent 16 Channel Multi Viewer Outputs, 4 Still Stores.