Product details:

Power Simple UNIV-300P 300 Watt Pure Sine Wave Inverter takes 12 volt DC power and converts it to 110V, 60Hz AC household power. Features include overload protection, low battery alarm / shut down, low idle power draw of less than 0.5 Amps. Continuous Power: 300W Surge Power: 600W. It will trigger alarm when input voltage is lower than 10.8DC0.5V. If input voltage is lower than 10.6DC0.5V, or higher than 15.5V, or over thermal occurs, inverter will shutdown the output automatically. When over load, it will shut down the output and red LED will turn on. There's a built-in fuse for protection purpose. Detachable cable with 12V plug adaptor and cable with battery clamps are included.