The product is an EEG recording device having 40, 64, 128, 192 or 256 channels. It provides superior quality video standard of MPEG-4 or MPEG-2 encoding combined with the EEG data. The amplifier of the device is very light weighted and small in size. Up to 256 channels can be adjusted by pouches. The facility of long time monitoring is provided by Daisy-chaining amplifiers having 64 channels. Along with extended analysis function such as quantitative EEG analysis, Spike and Seizure detection, it also has dome day or night cameras along with IP camera controlled by network. An additional switchbox controlled by software can be attached between amplifier and mini input modules. The cascading of two 128 channel switchboxes can offer switching up to 256 channels. Other features include additional LED photic stimulator and cortical stimulator, remote controlling, supplied as a trolley system and various flexible and user-friendly settings.