1LED Warning Indicator: Each circuit with red LED warning indicator, which next to the problem fuse will light if a fuse blows, you can easily identify and replace blown fuses immediately without guessing. 2Professional Fuse Box: 10 way fuse holder block is professionally designed for maximum 30 Amp current per circuit and 100 Amp per panel, ensuring safety and high efficiency. 3High Compatibility: Blade fuse box is widely compatible with all automobiles and devices equipped with a 10?32 Volt Dc power source, such as cars, off road vehicles, RVs, buses, yachts, etc. 4Dustproof Plastic Cover: Blade fuse box comes with a neat clip on plastic cover, splash proof and dustproof, adding extra protection to your fuse box and fuses, easy to operate. 510 Way Design: Superior blade fuse block is engineered for 10 Way and supplied with 20 pieces fuses, Each fuse can be connected to any circuit of electrical appliances.