CNC wood router/engraver

What is the size x, y, z that this machine can handle?
What is the tolerance of the cutter in the x, y, z dimensions?
What material can this machine cut?
What is the manufacturer, and model number?
Does the machine come with cutting tools.
What software is used to communicate from the computer to the CNC router/engraver?
What is the cost of shipping and how long is the time of shipment.
Do you accept credit card from the USA?