1. The product is made of PC material, which has excellent electrical insulation, elongation, dimensional stability and chemical corrosion resistance, and has a wide operating temperature range 2. The fuse holder has good mechanical strength, insulation, heat resistance and flame retardancy, and is not easy to break, deform, burn and short circuit during use. 3. A total of 20A high output: By directly taking power from the main power supply, the load on the electrical equipment can be reduced while the output can be increased. 4. The installation is simple and convenient. The product can be connected to 4 sets of electrical wires on the car, which makes the wiring easier and more convenient, and the wiring is no longer messy, which avoids potential safety hazards. 5. The product has an LED indicator, which corresponds to the electrical appliance connected to each fuse piece. When the line is energized and working normally, the indicator light will be blue; when the fuse is