cciyu 6 Pack LED Light Bulb Oval Rubber Mount Sealed Clearance Light Marker 10 LED Stop Turn Tail Light w/grommet Trailer Truck RV Application: Trucks, trailers, tractors, semi-trailer, Dump Truck, bus, boat, special vehicle,etc. For Heavy Duty trucks like Peterbilt freightliner international Kenworth mack,etc These LEDs Draw Less Current, Generate Less Heat And Are Brighter And Light Faster Than An Incandescent Bulb Sealed and waterproof assemblies, PC lens + grommet housing welded together to ensure a permanent and water proof seal. Stop turn Tail lamp for use on Heavy duty trucks, semi-trailers, cargo trailers, boat trailers work vehicles and any wide or narrow motor vehicle requiring quality DOT rated lighting . Functions as turn stop tail signal light.Surface Mount, mount on ANY flat surface.