Small disposable hydrogel ground/reference electrodes prewired with 24" (0.6m) lead-wires and standard 1.5mm touch-proof safety sockets. 0.5" (12mm) square Ag/AgCl recording surfaces. For EMG/NCS, Audio Evoked Potential, EEG or ERG. 2 year shelf life. 10 individually sealed sets of 3 (black, red, green).
3 electrodes per card, 10 cards per package for a total of 30 electrodes