Item Type: Car Audio Fuse Holder Material: ABS, zinc alloy Battery Distribution: 2 Inlet 4 Outlet Input: 2 x 0/4GA Output: 4 x 4/8GA Application: Suitable for cars, SUVs, buses, RVs, yachts, boats Package List 1 x Audio Stereo Fuse Holder 5 x Fuse 2 x Hex Wrench 12 x Screw 1Function: This fuse holder protects car audio stereo system. Works as circuit protection, can be used for audio system with good current and voltage resistance. 2LED Display: Light up when there's an issue with a fuse, but remain off if everything is normally. This built in functionality allows you to easily identify issues with the fuses with minimal effort 3Construction: The contact connectors are zinc alloy and do not fade over time. The removable plastic shell helps protect the unit from outside environment and greatly extends its lifetime and longevity. 4Fine Workmanship: Professional manufactured, exquisite workmanship with unique design, ensure stable performance and high reliability. 5Wide Application: Can be applied for cars, SUVs, buses, RVs, yachts, boats or other vehicles. The fuse slots are strong and tight and blocks are well made.