Surpass II provides up to 24 channel continous recording of EEG, EP, EMG. It has MS Word report generator. Preamp/Headbox with built in A/D Converter with electrode selector. Simultaneous recording and Review on one screen. User definable Marker table. Compressed evoked potential array display for up to 16 channels. CSA / DSA Display with Spectral edge frequency. Automatic peak marking for EP Waveforms. Up to 16 user definable trends. It is multi display option.