Racepak The Racepak SmartWire is the easiest way to wire any vehicle while adding modern electronic features and functions. It serves as the vehicle's power distribution center, and its solid state design eliminates traditional fuse panels, breakers and relays, reducing wiring complexity and weight in the vehicle. Inputs and outputs are user-definable, enabling complete control of a vehicle's power needs and accessories. It also connects seamlessly to Racepak data recorders and display dashes to allow monitoring of SmartWire functions. The SmartWire Switch Panel can also be added to provide driver input for eight functions. The box includes: SmartWire, USB programming cable and Racepak Datalink II software. Specifications: Solid-state design / 125 amp total output / 30 total outputs / 12 total inputs. Dimensions: 6.500 in. (L) x 5.500 in. (W) x 2.000 in. (H) (16.51 cm. x 16.51 cm. x 4.445 cm.) / 1.56 lb. (708 g)