1.: It is made of high-quality made of alloy, which has good current and pressure resistance and strong fire resistance. 2.Excellent Performance: Professional manufacturing, stable performance, good reliability, high precision and durability.It can play a role in preventing excessive current, protecting electrical appliances, and preventing hidden dangers caused by overheating of the line. 3.Shiny design: Oversized fixing screws with small serrated ends on the top can maintain a firm and consistent connection and prevent loose wires. 4.Easy to Install: Screw-down wire clamps, impact resistant snap-on plastic cover, corrosion resistance, ensures you get the longevity out of your system that you expect. The positive electrode, negative electrode, and ACC control electrode can all be used to help you connect properly.