The CPI-1590 is ideal for the cross country professional driver or RV enthusiast that needs all the conveniences of home in the vehicle. In addition to up to 1500 watts of output, it includes a 5V 2.1A USB output ideal for using and charging tablets, smart phones and many other USB powered devices. The unit also features a digital display that illustrates the vehicleâ€™s battery voltage and device connected current consumption in Watts on a large LED display. The inverter incorporates all the protection circuitry for the unit and the device connected to it. Also, the inverter supports a remote on/off panel switch (sold separately) for out-of the way installation.