Stereo fuse holder for buses 2 inputs 4 outputs ANL style1、Function: This fuse holder protects car audio stereo system. Works as circuit protection, can be used for audio system with good current and voltage resistance. 2、LED 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! 3、Construction: 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. 4、Fine Workmanship: Professional manufactured, exquisite workmanship with unique design, ensure stable performance and high reliability. 5、Wide 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.