U-Probe, 16ch, 15µm elect dia, 50um electrode spacing, 50mm total length(27mm; 640µm dia reinforcement tube); 330µm probe dia; 1x CON/16m-V connector interface; 1000µm tip to 1st site; Optic fiber between channels 6/9, Channels 1, 9, 10, 13, and 14 not working.