[DOT Approved] Partsam (1 x Red ) Waterproof truck trailer Identification Light Bar, long-lasting stainless steel black bracket base, stainless hardware included. three-light, 3-LEDs each marker light, totally 9LEDs, Red Lens Red LED Light; This Truck Trailer ID Light bar is great for trailer applications more than 80" wide;This red clearance light bar is sealed and waterproof. Size: 360mm x 30mm x 28mm (14.17" x 1.18" x 1.1"); Installation scews are included. This IP67 Waterproof trailer light bar is always ready for different kinds of weather attack, and also withstand the invasion and corrosion of sand, dust, dirt, water, snow and other impact of inclement weathe;EAST TO INSTALL: The red strip light bar contains a single lead wire for power and is grounded through the mounting hardware. Anyone of the three screws is the Negative and Red wire is the Positive end;Three replaceable 3-LED trailer light bar is universal for 12V Vehicles: Trucks, trailers, travel trailer, boat trailer, horse trailer, camper trailer, cargo trailer, RV, motorhome, pickups etc.; You can mount this 3 led light bar on the top of your truck trailer or between the tailgate taillights to draw extra visibility to your wide trailer for added on-road safety;