QUICK FIX: Red LED warning light will light up immediately when the corresponding fuse is blown. WUPP 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 block holders onto your battery posts, WUPP 12 volt fuse block/ground bus kit gives you 12 dedicated fuses and 12 ground locations to keep all of your wires clean, organized, and accessible. Made wiring electronics in your vehicles or boat a breeze! | WELLBUILD MATERIAL: Made of environment-friendly PBT material, WUPP 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 phenomenon | UNIVERSAL PROTECTION: Whether you're building a massive overland lighting setup or adding power windows to your classic. WUPP 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. | FREE BLADE FUSES: 12 Way Fuse Block Package includes: 20A Fuse*6, 15A Fuse*6, 10A Fuse*6, 5A Fuse*6, Labels*2, Screws*4