Computer heat sinks; Connections for electric lines; [ Couplings, electric; ] Electric light dimmers; Electric transformers; Electrical adapters; Electrical plugs and sockets; [ Electronic regulating and control devices for the operation of light emitting diodes; Integrated circuits; ] LED drivers; Light emitting diode (LED) displays; Light emitting diodes (LEDs); Optical condensers; Optical lamps; [ Optical lanterns; ] Optical lenses; Power adapters; Printed circuit boards; Wire connectors; ...