U-Probe, 16-chan w/ 15µm electrode diameter, stereotrode; 50µm intertrode, 200µm intratrode spacing; 100mm probe length (20mm; 640µm diameter reinforcement tube); 210µm probe diameter; with 2x CON/8050m interface; 290µm tip to 1st site; Channels not exactly in line, REF1 and REF2 not connected.