Renogy 500W 12V Off-Grid Pure-Sine Wave Battery Inverter w/ Cables Offers high quality waveform with little harmonic distortion. Overload protection for both DC input and AC output to prevent damage to the components and the unit. Special LED indicators for under-voltage and over-voltage protection, over-temperature protection, over-load protection, and short circuit indication. High-speed ventilation fans to help keep the inverter running at a low temperature. Comes with a pair of 2ft. 6AWG inverter cables to connect the inverter to battery.