Computer peripheral devices; Recording and playing devices for sound and image carriers; Digital video recorders; PC digital video recorders; Personal video recorders (PVRs); Camcorders; Cameras; Control system for the remote observation, management and operation of cranes, comprising computers, software, electromechanical controls, and video display screens; Lenses for astrophotography; Headphones; Spectacles; Contact lenses; Sunglasses; Chargers for electric batteries; Electric batteries; I...