1、Waterproof: This is a waterproof fuse box, designed for off road, motorhome, boat and other large wading vehicles, through the front waterproof cover and gasket, sealing ring, to achieve waterproof IP66 rating. 2、Function: The fuses holder will effectively protect electronic devices from excessive currents and also avoid serious injuries caused by internal malfunctions of electronic equipment. 3、Safe: The fuse block is made of PA66 flame retardant material. It is mechanically strong, insulated, heat resistant, and flame resistant. Effectively prevents from produce fracture, deformation, combustion, or short circuit. 4、Convenient: Delivered with double fuses. When the fuse is burned out and you can be replaced with spare multiple amps fuse immediately. You can select the fuse according to the current electrical appliance. 5、LED Warning Indicator: LED warning light on fuse block will light up immediately when the corresponding fuse is blown. It is very safe and easy for you to find the fault and replace the blown fuse. 6、Sticker: Labeling stickers included for DIY your specific need. According to the name on the sticker, you can quickly identify which electrical appliance is going wrong, which makes testing and repair convenient.