1LED indicator design,when the fuse move, the indicator light will flash red, which can quickly and easily identify the fault. 2This fuse box has positive and negative, and each positive terminal screw has a negative terminal screw. Maximum working voltage is 32V Dc. 3With transparent plastic cover, push lock system, splash?proof and dust?proof design, add extra protection to your fuse box and fuse. 4Easy to install, can be fixed by 4 pre?formed holes, marine grade stainless steel input and output screws have high performance corrosion resistance. 5Widely used, suitable for automobiles, ships, buses, ships, fuel tanks, subways, etc. 6The protective cover is perfectly fit, and it will not fall off by itself, and the jam effect is good. 7Equipped with multi?functional stickers to meet your special needs, convenient for inspection and repair, and easy to troubleshoot outdoors. 8Each circuit is rated up to 30 amps, which is perfect for most off?road accessories. 9The positive terminal can easily accept the ring terminal and provide a safe connection while being able to wire neatly.