Mobile Power 2060 5-in-1 Heat Zone Rechargeable Heater and Power Supply Built-in 12 Volt 7Ah Rechargeable Lead Acid Battery Space Heater with High Speed Blower designed for use in your vehicle USB 5 Volt - 500 mA Output Port with Dust Cover and 12 Volt DC Accessory Power Port with Dust Cover High Intensity Emergency LED Light and Digital Clock and Timer with LCD Display Programmable Control Input to preset Operating time