The CP21590 is a 2,500 Watt continuous power inverter with 5,000 Watts peak allowing user to power up office equipment, TV sets, coffee pots, a small microwave oven, a mini-fridge and other AC products that draw up to 2,500 watts. Features include 3 AC outlets, 5V 2.1A USB port charges mp3 players, smart phones, tablets and many other USB powered devices, 5 levels of protection against failures: thermal shutdown, reverse polarity protection, over-voltage shutdown, low voltage shutdown and low voltage alarm. Ideal for use in vheicle, truck, RV or boat. The CPI2590 also features a digital display that illustrates the vehicles 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.