Lighting devices and sets comprising multiple lighting devices are described. The lighting device may include a housing, at least one light source such as a light-emitting diode (LED), a rechargeable battery, optionally a microprocessor, and at least one solar panel. The lighting device may include a mount configured to secure the lighting device to a support, such as a frame or other portion of a vehicle or other device. The set of lighting devices may include first and second lighting devices, each including a light source, optionally wherein the light sources may emit different colors of light.