An economical modified sine wave power solution with a long track record for reliability, Freedom 458 inverter/ chargers are designed to run basic household appliances and electronics. The temperature controlled multi-stage charger ensures that your house batteries are recharged safely and efficiently. To monitor your power consumption and control your Freedom inverter/ charger, add an optional Freedom Basic Remote Control (55-1811). UL Listed. 2 year warranty. 1/box.