Cobra CPI 1575 Professional 1500 Watt Power Inverter 1500 Watts continuous power - 3000 Watts peak power 3 Grounded AC outlets - Powers up to three or more household appliances USB port - Charge iPod, Blackberry, mobile phones, 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. Volt/Watt meter - Keep track of power usage.USB port - Charge iPod, Blackberry, mobile phones, and many other USB devices. - See more at: https://www.cobra.com/products/professional/cpi-1575#sthash.05Bna6BD.dpuf3 Grounded AC outlets - Powers up to three or more household appliances3 Grounded AC outlets - Powers up three or more household appliances. - See more at: https://www.cobra.com/products/professional/cpi-1575#sthash.05Bna6BD.dpucobra cpi157