Description: 32VDC voltage, 100A high current, wide range of use, high safety factor. The base is made of flame retardant plastic to protect your safety. Suitable for trucks, RVs, coaches, boats and other environments Fits for the negative line of any electric appliance (car roof light, car headlight, sight width lamp, fog lamp, warning light, car refrigerator, car charger, car fan, etc.) Can be summarized on this line, so that The wiring is more tidy and clear, it is safer to use electricity, and it is more convenient to repair the circuit in the . Specification: Model: F3877 Module Sertal Number: BF272(Module 2) Material: Cover: PC;Base: PBT;Screw: stainless steel Color: Black base + Clear cover Rated Voltage: DC32V Rated Current 100A Terminal stud size: M53/16" The screw size: M45/32") Box Size(L x W x H): Approx. 87x59x45mm / 3.4 x 2.3 x 1.8 inch Package Includes: 1 Piece Terminal Block Box 4 Pieces Screws 1 Piece User Manual Note: This model can be combined with other modules of B27 series, you could personalize free DIY, module 1+ module 2;Module 1 + module 1 + module 2, as shown in the picture description