Assembled relay box: The car 12V relay fuse box has a large capacity, 10A, 15A, 20A, 25A, 30A, 40A blade fuses. They are all neatly installed in this box Easy to install: Our upgraded fuse relay box comes with a relay module, and all accessories are assembled on this relay panel, so you don't need to solder wires. LED indicator: The relay box 12v is equipped with an LED indicator for each relay and blade fuse to let you know its working status, with overvoltage protection and surge protection safety protection design Waterproof: 12v relay fuse box is made of high-quality material, flame-retardant shell, and the cover is designed with buckles to better waterproof Suitable for all vehicles, off-road off-road vehicles UTV ATV RV pickup truck trailer camping boats, etc. Colour:black Material:plastic Package Contents: 1 * Car relay box modified socket Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.