LED Indicator for Blown Fuse with red led warning indicator, you can quickly identify & replace blown fuses immediately Can be widely used in autos, eco-cars, modified cars, buses, subways, airplanes, tankers, ships, boats etc._x000D__x000D_Features_x000D__x000D_- Color: Black._x000D_- Material: PBT._x000D_- Size: 11.5 x 8.5 x 3.5 cm._x000D_- LED Indicator for Blown Fuse: If a fuse blows the red LED next to the problem fuse, illuminates allowing for fast and hassle free identification of a fault._x000D_- Widely Used: Can be used in electrical devices, car, truck, buses, SUV, home, boat, camper/RV, ATV, all system with maximum of 30 Amp per circuit & 100 Amp per panel._x000D_- Application: Protects your vehicle and electrical devices from a short circuit or overload._x000D_- Easily identify & replace blown fuses immediately. The LED indicator lights up when a blown fuse is detected._x000D_- Product distribution double fuse, when applied, the fuse is burned, you can immediately replace from the spare fuse.Packing list:3 x 12 Way Fuse Box