... on other equipments· Easy maintenance designDisplay all the information and status of the unit, improving the usability and maintainability. · ... 0.75 secondInverter abnormalRing;indicator light displayOthersDisplayLCD display indicates voltage,frequency, battery,load,temp,etc.LED indicates running status. Communication InterfaceRS232,dry ... .Competitive Prices. Pure Sine Wave Inverter 48V with LED&LCD