[Relay Box] - This 12v relay box includes total 6 available slots for connecting, can make 6 relays connected neatly and tidily in one box, which also makes it easy to replace when one of the relays break down. [Fuse Block] - This relay block also includes 6 fuse slots for relays, you can add suitable size fuse to corresponding circuit to protect the device from being damaged by excess current, which provides double protection to your circuits. [Pre-wired] - This relay fuse box is pre-wired design, and the wires are connected in different colors for easily clarify and connect the wires. In addition, the wires at relay high power side are 12 awg wires, which makes the whole box much for large current use. [Waterproof & Dustproof] - This fuse relay block includes upper cover and bottom cover for use, which can block out most dust or splashing water from entering , enhancing the security level when used. [Application] - The relay holder with fuse to make the wiring clean and tidy, which is suitable for 12V use, capable of automotive, car, truck, marine boat, etc. Name: Relay Module Capacity: 1.8L Feature: High quality products. Easy to install and to use. Great quality and great Fitment. Colour:Black Material:Plastic Package Contents: 1x Relay Module 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.