Abstract: The present invention is related to a cheering device, comprising a light emitting portion emitting light; a holder grabbable and supporting the light emitting portion; at least one light emitting diode, contained in the holder, emitting light; and a lens portion condensing the ray of light emitted by the light emitting diode and diffusing the condensed light to the light emitting portion.

Abstract: A system for controlling light in a wireless manner includes a plurality of lighting installations containing a control module configured to control a lighting's status and an input module input a command to the control module, and a control device configured to controlling the lighting installations by wireless communication via a plurality of communication channels with the lighting installations, wherein the control module operates as either a first mode that it is controlled by the control device or a second mode that it is controlled by the input module, the control device controls the plurality of lighting installations in accordance with lighting patterns by an input among a plurality of the lighting patterns, and the plurality of lighting installations contains a first lighting installation and a second lighting installation, and the first lighting installation controls the second lighting installation by sending signals through the command to the control device.

Abstract: A system for controlling light in a wireless manner includes a plurality of lighting installations containing a control module configured to control a lighting's status and an input module input a command to the control module, and a control device configured to controlling the lighting installations by wireless communication via a plurality of communication channels with the lighting installations, wherein the control module operates as either a first mode that it is controlled by the control device or a second mode that it is controlled by the input module, the control device controls the plurality of lighting installations in accordance with lighting patterns by an input among a plurality of the lighting patterns, and the plurality of lighting installations contains a first lighting installation and a second lighting installation, and the first lighting installation controls the second lighting installation by sending signals through the command to the control device.