Notices: Please allow 1-3mm in size deviation due to manual measurement. Due to the light and shooting angle, pictures may have slightly chromatic aberration. Features: Tidy Your Wire Harness - 7-way copper blade molded into a heavy duty plug, provides a fast and simplified way for wires connection as well as keeping all your trailer wiring in order. Convenient Trailer Wiring - sturdy junction box with color marked 7-poles that can be easily identified, gives you more convenience for wiring left/right turn light, brake signal lamp, reverse light, tail light, etc. Excellent Construction - adopted flameproof ABS junction box and good conductivity copper with solid cord, stronger and rugged, perfect for RVs, trailers, campers, cara, food and other towed vehicles. Flexible Connection - 8ft long cord with soft and durable PVC housing that offers you plenty of flexibility to wire it from the front to the rear of your car. Best Sealing Performance - 4 open & 4 close rubber fitted grommets for option based on your wiring needs, making the whole junction box waterproof, dustproof and corrosion resistant. Specification: Color: Black Rated Voltage: 12V Accessories: 4 open & 4 close grommets Junction Box Dimensions: 6.5"x3.1"x2.2" Cord Length: 8 feet Material: Copper + ABS + PVC + Rubber Functions for Wiring Molded Connector Function White Wire (10AWG) Ground Red Wire (14AWG) Left Turn and Brake Brown Wire (14Gauge) Right Turn and Brake Green Wire (14Gauge) Tail Lights Blue Wire (14Gauge) Brake Power Black Wire (10AWG) 12 volt(hot lead) Yellow Wire (14Gauge) AUX Packing List: 1 x 7-Way Trailer Plug with Junction Box 4 x Open Grommets 4 x Close Grommets