It facilitates the viewing and recording of nystagmus, obtained by means of classic vestibular tests. This system allows images of the patient's eyes during the tests to be displayed on a monitor or PC/notebook, and also allows the Visual Suppression Test (VST) to be carried out by switching on a red LED inside the mask to allow fixation.The system's innovative technology provides quality images. Power supply 220 V (12 V DC). Resolution 752 x 582 pixels, 520 TV lines