1Fuse Function: Each fuse has a rated specification. When the current exceeds the rated specification, the fuse will be blown to protect the electronic equipment from overcurrent damage and protect the circuit. 2Indicator Function: When the red LED light is on, it means that the fuse has been disconnected, and the fuse needs to be replaced in time to continue running, quickly indicate the short circuit and fault location. 3Flame Retardant: The PA66 base has good mechanical strength, insulation, heat resistance and flame retardancy, and is not easy to break, deform, burn and short circuit during use. 4Waterproof Fuse Box: This fuse box has a front dust cover, a waterproof gasket, and a whole body sealing ring, which is suitable for large scale wading vehicles such as off road vehicles, Rv, and boats. 5Quick Identification: With a name sticker, it is attached to the electrical appliance we are connected to. When the fuse blows, we can quickly identify which electrical appliance has a problem, saving time and effort. 6Easy Installation: All fastening accessories are made of stainless steel, and the fuse box is fixed with self tapping screws, which is more convenient and safer to install.