Use our new 390 Series LED Marker lights to illuminate the front or rear headliner of your bus or vehicle. This light can be surface mounted with included neoprene gasket. An optional mounting base is available for retrofit of popular incandescent style lights. In applications where maximum visibility is a concern this long lasting LED light is sure to perform. The Polycarbonate lens is designed to enhance the powerful Gen 2 LED output ensuring a bright signal. Compliant with SAE J575, J578, J592, FMVSS 108, CMVSS & PC/P-2 rated.