Features: 1.Application: These fuse holders will protect your controllers, wires and batteries from overcurrent, suitable for car, marine, truck audio video systems or other vehicles. 2.Parameter: The current of the built in fuse in the fuse holder is 250A, with a working voltage of 48V, provides protection for speakers, stereos, and other components. 3.Case: Features transparent design, allow you to visually see the operation of the fuse, waterproof cover protect the internal fuses from water and further damage. 4.Material: Made of copper alloy and gold plating on the surface, durable and reliable to use, heat resistant, melting resistance and good conductivity. 5.Fine Workmanship: Professional manufactured, exquisite workmanship with unique design, ensure stable performance and high reliability. Specification: Item Type: Car Audio Fuses Holders_x000D_ Material: PC, copper_x000D_ Built in Fuse Current: 250A_x000D_ _x000D_ Working Voltage: 48V_x000D_ Fitment:_x000D_ Suitable for cars, RVs, yachts, ships, agricultural vehicles and other circuits