Commercial Electric ML-2W-18FT-EX-E-C is an 18-foot incandescent rope light that can be used to create a variety of decorative lighting effects. The light is weather-resistant and can be used both indoors and outdoors. It comes with nine mounting clips and screws for easy installation. The light can be connected to other rope lights to create a longer run, up to a maximum of 200 feet. The light has a polarized plug for safety and should not be used with an extension cord unless the plug can be fully inserted.