[1] The product uses PBT materials for flame protection, high temperature protection and environmental protection. [Fuse holders should have good mechanical strength , insulation, heat and flame resistance and should not be broken or deformed or burned during use. Conditions such as short circuit [2] All power rails and safety terminals are nickel plated copper which has corrosion resistance and excellent electrical conductivity. < p>[3] All fasteners are made of stainless steel, the fuse box is powered, and the output end is fixed by tightening screws which can be installed more quickly, and the fuse box is fixed by screws self-drilling, which makes installation easier and safer. [4] The product gift sticker can be stuck to the electrical appliance we connected. [5]Fuse holder with or without negative pole can be selected according to circuit requirements. Product description Features: [Name of product]: fuse box, current refers to ATO and ATC 1A-20A safety. [Product material]: PA66 case, waterproof PC dust cap, nickel-plated copper connection terminal , sticker. Rated input voltage: 32V. [Maximum output current]: 20A per circuit. [Main connector]: M5 threaded rod. [main line]: #4-6. [Instruction connector]: M4 threaded rod. [Single thread]: #12-16. [Field of installation]: Can be installed on cars, Yueshu, motorhomes, buses, yachts, boats, etc. [Field of use]: Can be directly connected to the line of any electrical device in the car/boat, car fans, passenger vehicles, etc.