2 pack, 5a, bigato auto fuse, easy id illuminating blade fuses use led technology to show that a fuse has opened, making them easy to spot in fuse panels tucked up under dark dashboards, fuses use the same universal color coding as traditional non-illuminating fuses, making it easier to match up an indicating replacement for an open fuse, dimensions: 0.29"h x 0.885"w x 1.86"l.