Unaffected by the environment: keep the lights bright and hold the brakes even under the harshest conditions. Can be used in dry conditions of 40 ° F (105 ° C) and wet conditions of 15 ° F (60 ° C). Made of 30 mil AWG copper with strength and service life of 2 10-1 12-4 14. Uses: quickly add other equipment and lights, replace the power connector, or redo the trailer cable without leaving any wires exposed on the components. Easy to install and use: quick identification marks for simple and safe installation of trailers trailer hooks, with multiple wire inlets and outlets, this box is ideal for wiring trailers, boats or trucks in your way. The detailed wiring method is explained below. material: A rugged ABS plastic case with 7 binding posts provides a safe location for trailer wiring. Each of the 7 studs is 10-32 threads, with a 7-way junction box to protect you and the existing trailer lighting harness. Quality Assurance: We guarantee to provide you with novel, high-quality products and fast transportation services. If you are not satisfied with our products, please contact us, we will provide you with perfect Note: Please confirm the applicable models and pictures of the product before placing an order to avoid buying errors