This EMG is available in two models: SCORPIO 2 Channel and 4 Channel. The electromyograph is able to perform EMG, EP and NCS studies. It is easy to change the EMG, EP and NCS test with a single click. The device displays the current on the shock simulator and shows a simultaneous display of 2, 4 and 8 channel EMG acquisition. The EMG operates on 230v and 5 Amp.