TecNiq 4" Box 8 Function Stop Turn Tail Light (Pair) Red LED for Trailer Truck RV Multi-Function 4" box tail light Functions include: Stop  Turn  Tail  Clearance  Side marker  Side Reflector  Rear Reflector  License Plate Light (Left) IP68 Rated - Dust and water proof with hermetic seal TecSeal Urethane Potting - Guaranteed Circuit Board Protection Durable impact resistant lens