Multi-functions: Each light has 11 high quality LED, outputs high brightness and low brightness. Can functions perfectly as parking light, stop light, turn signal light, tail light and brake light.Highly Sealed & durable: The front Polycarbonate lens is sonically welded to the housing, and the back wire lead is add on glue to make the light is completely sealed. Waterproof enough to withstand all weather abuse Easy Wire Connection: For wire connection, white wire for ground, black wire for low brightness tail light, and red wire for high brightness brake light.Light Bar Mounting: To flush-mounting the light, one option is to drill a center hole or use the existing hole to go through the back wire lead, and then fix the two ends by drilling in the two screws provided. The other option is to add some washer when fixing the two ends or use a to mount the light to avoid drilling holes for the back wire lead.Wide Application: Can be perfectly used on most 12V heavy duty trucks, semi trailers, cargo trailers, boat trailers, travel trailers, horse trailers, RV, , work vehicles etc. Package Include: 1PCS trailer marker ID bar with 1 hardware pack.2PCS 16 inch 11 LED Red Trailer Light Bar perfect application for any wide or narrow overland vehicle requiring quality compliant lighting.Working Voltage: 12VLED Type: 11PCS 2835 SMDLED for each light Wire Lead: 22 gauge, 10inch lengthIP65 waterproof rateColour:RedMaterial:ABSSize:about 33*12*393mmDimensions: 156 inch x 12 inch x 05 inch Center Hole Size: 14mm x 14mmPackage Contents:1 x 16 inch 11 LED Trailer Marker ID Bar1 x Hardware PackOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.