Features: All bus bars and fuse clips-are nickel-plated-copper, which has corrosion resistance and excellent conductivity. All fasteners are made of stainless steel, and the input and output ends of the fuse box are fixed by tightening screws, which can be installed more quickly, and the fuse box is fixed by tapping screws, which is-simpler and-safer to install. The product is designed with red LED indicator light, which corresponds to the electrical appliances-connected with each fuse. When the fuse is disconnected, the red light will light up, and you can immediately know which fuse is broken, which is convenient for timely treatments. The circuit of the electrical appliance and the circuit of the switch are separate, and a relay-is added, and the small current controls-the large current. For the switch, the electrical appliance with the large current can be controlled by the small current. The concept of ACC-control fuse box is adopted for the first-time. Turn off the car key-without current, directly cut off power, prevent power loss, and be more intelligent. Specifications: Material:PBC+PC+Copper Size:Approx.13x9x3.5cm/5.11x3.54x1.37inch Product model: CS-1858A1 Input-rated voltage: 10V-24V Input-rated current: 80A Maximum output current of single channel: 20A Indicator color: blue, red Main terminal: M5-threaded stud Main conductor: # 4-6 Single-wire terminal: M4-threaded stud Single conductor: #12-16 Package Includes: 2x Sticker 4x Self-tapping Screw 4x 20A Fuses 4x 15A Fuses 2x 10A Fuses 2x 5A Fuse note: ①.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. ②.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for your understandings.