U-Probe, 16ch, 15µm elect dia, stereotrode, 50µm electrode spacing, 100mm total length(30mm; 640µm dia reinforcement tube); 185µm probe dia; CON/8o50m connector interface; 0µm tip to 1st site; Channel 6 is not working, Channels 9-16 are in the tip, REF1 and REF2 not connected.