The ISIS Headbox MER is used for target point localization during deep brain stimulation. The ISIS Headbox MER comes with an integrated stimulator for deep brain stimulation and 5 MER amplifier channels for extracellular recording. With the ISIS Headbox MER the user can check the electrode depth at any given point of time as the electronics for the position sensor and MicroDrive are integrated. The ISIS Headbox MER comes with recording cables for both the inomed MicroMacro and the inomed MicroMove electrodes. The light and flexible USB connection cable ensures voltage supply and data transmission. The ISIS Headbox MER enables measuring of local field potentials. Other features of the ISIS Headbox MER are 5 micro recording channels, 20kHz, 16 bit, constant current stimulator from 0.1 to 6 mA, inclusive deep sensor electronics, variable regulating high- and deep pass filter, TTL-trigger in/out and autoclavable recording cable.