Features Offers 21 channel EEG. EEG scrolls continuously during review. Offers Spike detection. Offers Ability to review prerecorded data of another patient or same patient during acquisition. Supports montage of up to 40 channels. Supports frequency and amplitude brain Optional ploygraphy (EEG, EMG, respiration) Dimensions : L325 x W 127 x H322 mm | Weight : 5.7 Kg (approx.)