S-Probe, 8ch, 15µm elect dia, 100µm electrode spacing, 130mm total length(30mm; 460µm dia reinforcement tube); 210µm probe dia; 1x CON/16m-V connector interface; 370µm tip to 1st site; 2x optic fibers between channels 2/3 and channels 6/7, One fiber emits scattered light, sites are oval.