Correct. There is 8 Channels total, each with 2 Byte format. So you setup 2 Canbus Id's in the communication's menu.
The unit has multiple switches internally where you can configure the rate along, 11bit or 29 bit formatting, along with one of 8 canbus ids. This means that you could run up to 4 units around the vehicle and then 32 additional inputs.
https://gaugeart.com/product/gaugeart-a ... converter/Configuration was easy. I used a small relay board to provide a path to ground input based on a 12v trigger for the indicators, dimmer/instrument lights and even connected my radar detector - so it flashes an alarm on the dash