(24) Genuine Grass 10 mm Gold Cup-Disc Electrodes with 48-inch (122 cm) Teflon® insulated wire. (2) Connections for EKG Electrodes. (EKG Electrodes purchased separately.) Plugs directly into the Grass TREA Ambulatory EEG recorder. 1-year warranty

Electrode wire color:
White: Fp1, F7, T3, T5
Orange: Fp2, F8, T4, T6
Yellow: F3, C3, P3, O1
Brown: F4, C4, P4, O2
Violet: 17, 18, 19, 20
Red: EKG1, EKG2
Blue: (2) REF
Black: (2) GND