This is a dual channel multi-purpose electrode cable that uses carbon coating and active shielding technology for low noise and virtual absence of movement artifacts. This snap-on cable is suitable for recording EEG, EMG, ECG and EOG. Comes complete with a medical grade brushed metal connector. This cable requires the additional ground cable.  Capable of performing EMG, EEG, EOG, EKG. Used with the NeXus-4, 10, & 16.