Cobra CPI 2575 2500 Watt 12 Volt DC to 120 Volt AC Power Inverter 2500 Watts continuous power - 5000 Watts peak power 3 Grounded AC outlets - Powers up to three or more household appliances USB port - Charge iPod, Blackberry, mobilephones, and many other USB devices Volt/Watt meter - Keep track of power usage Pentagon Protection - 5 levels of protection against failures: thermal shutdown, reverse polarity protection, over-voltage shutdown, low voltage shutdown and low voltage alarm