DescriptionThis product is a car audio circuit breaker, mainly made of safe and mild plastic and copper materials, with excellent texture, you can rest assured to install and use. It has reasonable design and practical functions, is sensitive and efficient, and can effectively protect the safe operation of the circuit. Easy to install, convenient and practical, it will be your good choice of accessories.Features-Color: Assorted Color.-Material: Plastic, Copper. -Size: About 9.00X4.20X2.90cm/ 3.54X1.65X1.14inch. -It is made of plastic and copper materials, strong and durable, with excellent texture. -Good conductivity, sensitive and practical, can cut off the current in time when the current is abnormally increased. -This professional circuit breaker is designed to protect electrical appliances from excessive current. -Easy to operate, easy to install, can bring you more convenience. -It can effectively protect the safety of your circuit and prevent the circuit from being burned.