... Off-Grid Inverters are ideally suited for your truck, boat, RV, or alternative energy system. Run AC ... polarity protection(High Current Relay)LED Indicator LightInverter, Fault, Power(5 levels:20%,40%.60%,80%,100%) modeDistinct CharacteristicsRemote ... Laptops, TV sets, Video Games, CD Players, DVD Players, Power tool, Office Equipment, Major Household Appliances, etc.EnvironmentOperating temperature: ...