digidesign d command pro tools mixer & xmon very clean and works perfectly. all faders track smoothly and evenly. all lights work and the unit does not have any major marks or scratches. used in smoke free/pet free professional recording studio. there is a reddish colored blemish or stain near the right side middle of the unit. not sure what it is but it is nothing that affects performance. all controls and buttons works perfect. for photos and questions: will.y0ung7@yahoo.com