Abstract: A set that includes a plurality of the lighting devices, each lighting device including a body having a light-emitting element, an attachment element for attaching the lighting device to a supporting body, and an independent power source for supplying power to the light-emitting element. The set also includes a wireless transmitting device configured to turn on and off the light-emitting elements of each one of the plurality of lighting devices. The wireless transmitting device may be integrated in one of the plurality of lighting devices. The wireless transmitting device may be disposed in a remote control unit that is separate from each one of the plurality of lighting devices.