Features: 1Application: These fuse holders will protect your controllers, wires and batteries from overcurrent, suitable for car, marine, truck audio video systems or other vehicles. 2Parameter: 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. 3Case: Features transparent design, allow you to visually see the operation of the fuse, waterproof cover protect the internal fuses from water and further damage. 4Material: Made of copper alloy and gold plating on the surface, durable and reliable to use, heat resistant, melting resistance and good conductivity. 5Fine Workmanship: Professional manufactured, exquisite workmanship with unique design, ensure stable performance and high reliability. Package included: 2 x CarandnbspAudioandnbspFusesandnbspHolder 4 x Terminal 4 x Heat Shrink Tube Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.