QUICK FIX Red LED warning light will light up immediately when the corresponding fuse is blown. Automotive fuse block will indicate exactly where there is a short circuit or any other fault so you can easily identify it and change it MAKE WIRING CLEAN Instead of piling a mess of wires and fuse holders onto your battery posts, 12 volt fuse block/ground bus kit gives you 6 dedicated fuses and 6 ground locations to keep all of your wires clean, organized, and accessible. Made wiring electronics in your vehicles or boat a breeze SAFE MATERIAL Made of environment friendly PBT material, this 12 volt fuse block meets all the standards of an ideal fuse box. It is mechanically strong, insulated, heat resistant and flame resistant. There will hardly cause any issue like produce fracture, deformation, combustion or short circuit phenomenonUNIVERSAL PROTECTION Whether you're building a massive overland lighting setup or adding power windows to your classic. fuse block with 100 Amps capacity, 30 Amps per fuse, and ground bus bar are more than capable of protecting all of your hard work.