Power distribution system. The SP 4x4 features a backlit linear meter to monitor input voltage, which gives the user a familiar analog style readout when monitoring voltage from a power source. Four of the eight rear outputs are 1,25 inches apart. This allows the user to plug in wide power cables and multiple wall wart devices, and still have eight total power outlets to choose from. The unit also has RFI and EMI filtering, a 15 amp breaker, and a total power capacity of 1800 watts. Dimensions: 483 x 203 x 44 mm. Weight: 2,2 kg.