Product type: Button control panel
custom8Key functions:Scene switching, input and output volume control, mixing, etc.
Cascade (expansion):4a
transmission distance:20-30M
supply voltage:5V
Control Protocol:Custom serial protocol
IOhigh oral input:>2.0V
IOLow inlet:<0.7V
IOPort output high:>2.4
IOPort output is low:<0.5V
port level:0.7~3.3V
Product size (long×wide×high):86×86×30mm
