Features: Top and bottom covers with flame retardant shell make relays box waterproof and dustproof. All pre-wires of the relays fuses box getting out from the cable opening hole, shielding from water splashes and dust. Pre-wired fuses block with relays can quickly have you driving in circles, no need to connect terminals and wiring harness later. The 11 way fuses box with pre wired relays offers a versatiled electrical solution, supporting both 12V and 24V systems, perfect for various vehicles and equipment. For all flat surfaces: high and low legs are designing to fit snugly in angular engine compartment or car areas. Specifications: Size:Approx.15.7x6.7cm/6.18x2.64inch Color:Black Way: 11 Way Voltage: 12V/24V Cover Materials: Plastic Base Materials: Flame Retardant Nylon Material Product Shape:Insert Type The relays box adopts a pre wired designs for easy installation, the insulated housing is dustproof. This effectively improves Package Includes: 1 Set 11 Way Fuses Box note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual coloring of the item. Thanks for your understandings.