Red LED warning light will light up immediately when the fuse is blown. It is very easy for you to check and replace the blown fuse.Made of environment fire-resist material, this fuse block has high mechanical strength, good insulation, heat & flame resistance. It will hardly cause any issues like fracture, deformation, combustion or short circuit.12 Circuit Fuse Block is applied to / (Middle Size) fuses, every positive terminal screw has a negative one, Perfect solution for organizing and protecting a maze of low voltage circuit wiring in your vehicle.Multifunctional DIY sticker for convenient examination & repair. You can easy to identify which appliance is going wrong. Max operating voltage: 32V DC; Max 30A per circuit & 100A per panel.color:As shownMaterial:Metal + PlasticPackage Contents:1 x 12V 12 way fuse box24 x Blade Fuses4 x screws2 x Tip StickersOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.